<div class="description">
Subjects: Nematode diseases of plants; Sugar beet; Plantes; Betterave à sucre</div>
<div class="fn value">
<dl><dd>Hawn, E. J. (Elmer Joseph)</dd>
<dd>Harper, A. M. (Alexander Maitland), 1926-</dd>
<dd>Lilly, C. E</dd>
<dd>Canada. Dept. of Agriculture</dd></dl></div>
Internet Archive identifier