00489nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082002200076100001700098245007800115250000600193260004600199300001100245650003400256700001700290Para_2159CHAP220125s1991 xx 000 0 und d a200773 cCHAP aPA 632.96 D4 1991 aDebach, Paul aBiological control by natural enemies /c by Paul Debach and David Rosen a2 aCambridge :b Cambridge University Press a440 p. aControl bioloĢgico de plagas aRosen, David