00848cam a2200277 4500 4562079 BD-DhUL 20150108105315.0 740514s1974 enk b 000 0 eng 73090812 GB*** 0521203805 0521098351 (pbk.) DLC DLC DLC OCoLC BD-DhUL SB975 .D39 632.96 DEB DeBach, Paul. Biological control by natural enemies. [London, New York] Cambridge University Press [1974] xiv, 307 p. : 22 cm. ill. ; US$ 23.10 LC copy imperfect: p. 308-324 missing; illustrations blank. Bibliography: p. 299-307. Pests Biological control. 7 cbc orignew 2 opcn 19 y-gencatlg ddc BK 28893 28893 0 0 ddc 0 632_960000000000000_DEB 0 NFIC 53989 DUSL DUSL GEN 1984-10-28 Purchased 632.96 DEB A267710 2015-01-08 2015-01-08 BK