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., 1976 - xx, 541 p. : ill. ; 25 cm. Includes index ISBN: 0444110429 : PND 120.00 Subjects--Topical Terms: NutritionFood chains (Ecology)Nutrient cyclesAgricultureFood ConsumptionBioenergeticsFood supplyFood processing industry Dewey Class. No.: 641.3