Food production and consumption  the efficiency of human food chains and nutrient cycles 
edited by A. N. Duckham, J. G. W. Jones, and E. H. Roberts 
 - Amsterdam  North-Holland Pub. Co.  1976 
 - xx, 541 p.  ill.  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nutrition<br/>Food chains (Ecology)<br/>Biogeochemical cycles<br/>Agriculture<br/>Food consumption<br/>Bioenergetics<br/>Food supply<br/>Foodprocessing industry
<br/><br/><label>Dewey Class. No.: </label>641.3