Wortman, Sterling,  1923-. <br/><br/>
To feed this world :  the challenge and the strategy / 
Sterling Wortman, Ralph W. Cummings, Jr. 
 - Baltimore :  Johns Hopkins U. P.,  c1978. 
 - xiv, 440 p. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0801821363 0801821371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developing countries--Agriculture.<br/>Developing countries--Food supply.<br/>Food supply.
<br/><br/><label>LC Class. No.: </label>HD9000.6  / .W64