TY - BOOK AU - A. N. Duckham AU - J. G. W. Jones E. H. Roberts TI - Food production and consumption : The efficiency of human food chains and nutrient cycles SN - 0-444-11042-9 U1 - 338.15 PY - 1976/// CY - Amsterdam PB - North Holland Publishing Co N1 - A. N. Duckham; J. G. W. Jones & E. H. Roberts: Food production and consumption : The efficiency of human food chains and nutrient cycles. Amsterdam. North Holland Publishing Co, 1976. 0-444-11042-9--(338.15DUC) ER -