Southwood, Richard, Ecological methods : with particular reference to the study of insect populations / by T.R.E. Southwood. - London : Chapman and Hall, 1978. - xxiv, 524 p. : ill. ; 25 cm. ISBN: 041215760 Subjects--Topical Terms: Ecology --Technique; Insect populations. Dewey Class. No.: 591.5018 SOU