<div class="description">
<dl><dd>1 v. (various pagings) : 28 cm</dd>
<dd>Includes bibliographical references</dd></dl><br>Subjects: Nitrogen Fixation Congresses; Crops and nitrogen Congresses</div>
<div class="fn value">
United States. Agricultural Research Service. Working Conference (1989 : Saint Louis, Mo.)</div>
Internet Archive identifier