Ecological methods : with particular reference to the study of insect populations / by T.R.E. Southwood. Southwood, Richard, Sir. Ecology Technique. Insect populations. QH541.28 .S68 1978 591.5 20 591.5072 591 SOE "A Halsted Press book." Includes bibliographical references and indexes. London : Wiley, c1978. c1978. 1978 Text xxiv, 524 p. : eng