<div class="description">
<dl><dd>Cover title</dd>
<dd>"January 1964."</dd>
<dd>Includes bibliographical references</dd></dl><br>Subjects: Greenhouses Carbon dioxide enrichment Automatic control Research; Carbon dioxide Environmental aspects</div>
<div class="fn value">
<dl><dd>Pettibone, C. Alan, 1932-</dd>
<dd>Matson, Walter E</dd>
<dd>Ackley, W. B. (William Benton), 1918-</dd>
<dd>United States. Agricultural Research Service. Agricultural Engineering Research Division</dd></dl></div>
Internet Archive identifier