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/usr/share/citation-style-language/styles/springer-physics-author-date.csl is in citation-style-language-styles 0~20180122.283b8d871-1.

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<?xml version="1.0" encoding="utf-8"?>
<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" demote-non-dropping-particle="sort-only" default-locale="en-US">
  <info>
    <title>Springer - Physics (author-date)</title>
    <id>http://www.zotero.org/styles/springer-physics-author-date</id>
    <link href="http://www.zotero.org/styles/springer-physics-author-date" rel="self"/>
    <link href="http://www.zotero.org/styles/american-physics-society" rel="template"/>
    <link href="http://www.springer.com/cda/content/document/cda_downloaddocument/manuscript-guidelines-1.0.pdf" rel="documentation"/>
    <!-- This style corresponds to 'Springer Vancouver' in the pdf document 'Key Style Points' at this url -->
    <link href="http://www.springer.com/cda/content/document/cda_downloaddocument/Key_Style_Points_1.0.pdf" rel="documentation"/>
    <author>
      <name>Charles Parnot</name>
      <email>charles.parnot@gmail.com</email>
      <uri>http://twitter.com/cparnot</uri>
    </author>
    <category citation-format="author-date"/>
    <category field="physics"/>
    <category field="generic-base"/>
    <summary>This style is similar to American Physical Society (APS) and is used by a number of Springer publications.</summary>
    <updated>2013-05-10T12:00:00+00:00</updated>
    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
  </info>
  <macro name="author-short-in-citation">
    <names variable="author">
      <name form="short" and="text"/>
      <substitute>
        <names variable="editor"/>
        <names variable="translator"/>
      </substitute>
    </names>
  </macro>
  <macro name="author-in-citation">
    <names variable="author">
      <name sort-separator=" " initialize-with="" name-as-sort-order="all" delimiter=", " delimiter-precedes-last="always"/>
      <!--<et-al strip-periods="true"/> -->
      <substitute>
        <names variable="editor"/>
        <names variable="translator"/>
      </substitute>
    </names>
  </macro>
  <macro name="year-in-citation">
    <date variable="issued">
      <date-part name="year"/>
    </date>
  </macro>
  <macro name="issued-sort">
    <choose>
      <if type="article-journal bill book chapter graphic legal_case legislation motion_picture paper-conference report song" match="none">
        <date variable="issued">
          <date-part name="year"/>
          <date-part name="month"/>
          <date-part name="day"/>
        </date>
      </if>
      <else>
        <date variable="issued">
          <date-part name="year"/>
        </date>
      </else>
    </choose>
  </macro>
  <macro name="author">
    <names variable="author">
      <name delimiter=", " initialize-with=". " and="text"/>
      <label form="long" prefix=", " suffix=" "/>
      <substitute>
        <names variable="editor"/>
        <names variable="translator"/>
      </substitute>
    </names>
  </macro>
  <macro name="editor">
    <names variable="editor">
      <label form="verb" suffix=" "/>
      <name delimiter=", " initialize-with=". " and="text"/>
    </names>
  </macro>
  <macro name="year-date">
    <choose>
      <if variable="issued">
        <date variable="issued">
          <date-part name="year"/>
        </date>
      </if>
      <else>
        <text term="no date" form="short"/>
      </else>
    </choose>
  </macro>
  <macro name="day-date">
    <choose>
      <if variable="issued">
        <date variable="issued">
          <date-part name="day" suffix=" "/>
          <date-part name="month" form="long" suffix=" "/>
          <date-part name="year"/>
        </date>
      </if>
      <else>
        <text term="no date" form="short"/>
      </else>
    </choose>
  </macro>
  <macro name="publisher">
    <group prefix="(" suffix=")" delimiter=", ">
      <text variable="publisher"/>
      <text variable="publisher-place" text-case="title"/>
      <text macro="year-date"/>
    </group>
  </macro>
  <macro name="edition">
    <choose>
      <if is-numeric="edition">
        <group delimiter=" ">
          <number variable="edition" form="ordinal"/>
          <text term="edition" form="short"/>
        </group>
      </if>
      <else>
        <text variable="edition"/>
      </else>
    </choose>
  </macro>
  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true">
    <sort>
      <key macro="author-in-citation"/>
      <key variable="issued" sort="descending"/>
    </sort>
    <layout prefix="(" suffix=")" delimiter="; ">
      <group delimiter=" ">
        <text macro="author-short-in-citation"/>
        <text macro="year-in-citation"/>
      </group>
    </layout>
  </citation>
  <bibliography entry-spacing="0">
    <sort>
      <key macro="author-in-citation"/>
      <key macro="issued-sort" sort="ascending"/>
    </sort>
    <layout suffix=".">
      <text macro="author" prefix=" " suffix=", "/>
      <choose>
        <if type="bill book graphic legal_case legislation motion_picture report song" match="any">
          <group delimiter=" ">
            <group delimiter=", ">
              <text variable="title" text-case="title" font-style="italic"/>
              <text macro="edition"/>
            </group>
            <group delimiter=", ">
              <text macro="publisher"/>
              <group delimiter=" ">
                <label variable="page" form="short"/>
                <text variable="page"/>
              </group>
            </group>
          </group>
        </if>
        <else-if type="chapter paper-conference" match="any">
          <group delimiter=" ">
            <text term="in"/>
            <group delimiter=", ">
              <text variable="container-title" form="short" text-case="title" font-style="italic"/>
              <text macro="editor"/>
              <text macro="edition"/>
            </group>
            <group delimiter=", ">
              <text macro="publisher"/>
              <group delimiter=" ">
                <label variable="page" form="short"/>
                <text variable="page"/>
              </group>
            </group>
          </group>
        </else-if>
        <else-if type="patent">
          <group delimiter=" ">
            <text variable="number"/>
            <text macro="day-date" prefix="(" suffix=")"/>
          </group>
        </else-if>
        <else-if type="thesis">
          <group delimiter=", ">
            <text variable="title" text-case="title"/>
            <text variable="genre"/>
            <text variable="publisher"/>
            <text macro="year-date"/>
          </group>
        </else-if>
        <else>
          <group delimiter=" ">
            <text variable="container-title" form="short" text-case="title"/>
            <group delimiter=", ">
              <text variable="volume" font-weight="bold"/>
              <group delimiter=" ">
                <text variable="page-first" form="short"/>
                <text macro="year-date" prefix="(" suffix=")"/>
              </group>
            </group>
          </group>
        </else>
      </choose>
    </layout>
  </bibliography>
</style>