<div class="description">
<p>"Literature cited": p. 15
</p>
<br>Subjects: Soils; Tillage</div>
<div class="fn value">
<dl><dd>Allmaras, R. R</dd>
<dd>Burwell, Robert E., 1925-</dd>
<dd>Larson, William E., 1921-</dd>
<dd>Holt, Robert F., 1920-</dd></dl></div>
Internet Archive identifier