TY - BOOK AU - Jones,John Gareth Watkin AU - Street,P.R. AU - Spedding,C.R.W. TI - Systems theory applied to agriculture and the food chain SN - 1851665102 AV - S494.5.S95 S97 1990 PY - 1990/// CY - London, New York, New York, NY, USA PB - Elsevier Applied Science, Sole distributor in the USA and Canada, Elsevier Science Pub. Co. KW - Agricultural systems KW - Congresses KW - Agricultural ecology KW - Food industry and trade KW - System theory N1 - Festschrift in honor of Colin Spedding; comprises papers contributed to a symposium ER -