Ecology and integrated farming systems : proceedings of the 13th Long Ashton International Symposium / edited by D. M. Glen, M. P. Greaves, H. M. Anderson. - Chichester [England] ; New York : Wiley, 1995. - xiv, 329 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0471955345 Subjects--Topical Terms: Agricultural ecology--CongressesIntegrated agricultural systems--Congresses Agricultural pests--Biological control--CongressesOrganic farming--Congresses LC Class. No.: S589.7 / L85 1995