Bayliss-Smith, Tim. The ecology of agricultural systems / T. P. Bayliss-Smith. - Cambridge : Cambridge University Press, 1982. - 112 p. : ill. ; 26 cm. - Cambridge topics in geography. Second series . Includes bibliography. Open access. ISBN: 0521231256 LCCN: 821132 Subjects--Topical Terms: Agricultural ecology.Agricultural systems.