Trotter, W. K.  <br/><br/>
Solar energy for agriculture :   review of research / 
W. K. Trotter, W. G. Heid & R. G. McElroy 
 - Washington :   U. S. Department of Agriculture. Economics, Statistics and Cooperatives Service ,  1979 
 - iii, 26p. :   ill. ;   26 cm. 
 - ESCS - Stany Zjednoczone. Department of Agriculture Economics, Statistics and Cooperatives Service, 67 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solar energy in agriculture--United States
<br/><br/><label>Gov. Doc. Class. No.: </label>US DA ESCS-67