<ref id="ref-httpsU003AU002FU002Fdoi.orgU002F10.1111U002Fj.1558-5646.1969.tb03496.x">
  <element-citation>
    <person-group person-group-type="author">
      <name>
        <surname>Cockerham</surname>
        <given-names>C. Clark</given-names>
      </name>
    </person-group>
    <article-title>VARIANCE OF GENE FREQUENCIES</article-title>
    <source>Evolution</source>
    <year>1969</year>
    <volume>23</volume>
    <issue>1</issue>
    <fpage>72</fpage>
    <lpage>84</lpage>
    <uri>https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1558-5646.1969.tb03496.x</uri>
    <pub-id pub-id-type="doi">10.1111/j.1558-5646.1969.tb03496.x</pub-id>
  </element-citation>
</ref>
