New agricultural crops 
edited by Gary A. Ritchie 
 - Boulder, Colo  Published by Westview Press for the American Association for the Advancement of Science, Washington, D.C  1979 
 - xxviii, 259 p.  ill  24 cm. 
 - AAAS selected symposium  38 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops<br/>Botany, Economic<br/>Plant introduction
<br/><br/><label>Dewey Class. No.: </label>630