<div class="description">
<dl><dd>"May 1981."</dd>
<dd>Includes bibliographical references (p. 7-9)</dd></dl><br>Subjects: Psylla; Pears Diseases and pests</div>
<div class="fn value">
<dl><dd>Fye, R. E. (Robert Eaton), 1924-</dd>
<dd>United States. Science and Education Administration. Agricultural Research. Western Region</dd></dl></div>
Internet Archive identifier