<?xml version="1.0" encoding="UTF-8"?>
<articles>
<article xmlns:xlink="http://www.w3.org/1999/xlink/">
  <front>
    <article-meta>
      <title-group>
        <article-title/>
      </title-group>
      <contrib-group/>
      <pub-date pub-type="pub">
        <year>1987</year>
      </pub-date>
      <self-uri xlink:href="http://ddd.uab.cat/record/48565"/>
      <self-uri xlink:href="http://ddd.uab.cat/pub/pcalders/pcaldersdocperfam/Cal_15_3_1.pdf"/>
      <self-uri xlink:href="http://ddd.uab.cat/pub/pcalders/pcaldersdocperfam/Cal_15_3_2.pdf"/>
      <self-uri xlink:href="http://ddd.uab.cat/pub/pcalders/pcaldersdocperfam/Cal_15_3_3.pdf"/>
      <self-uri xlink:href="http://ddd.uab.cat/pub/pcalders/pcaldersdocperfam/Cal_15_3_4.pdf"/>
      <self-uri xlink:href="http://ddd.uab.cat/pub/pcalders/pcaldersdocperfam/Cal_15_3_5.pdf"/>
    </article-meta>
    <abstract/>
  </front>
  <article-type>PCALDERSDOCPERFAM</article-type>
</article>

</articles>