00617nam a2200181Ia 4500008004100000082002100041100002300062245003700085260003500122300001300157490004300170600003200213600002800245650003700273942000700310952010100317999001700418140224s9999 xx 000 0 und d a631.95:632.95 L7 aPerring, F.H., ed. aEcological effects of pesticides aLondonbAcademic Presscc 1977 axi,193p. aLinnean Society Symposium Series; no.5 a F.H.Perring and K.Mellanby aMellanby, K., joint ed. aPesticides-Environmental aspects cBK 00104070aKSDbKSDd2014-02-24l0o631.95:632.95 L7p1821r2014-02-24 00:00:00w2014-02-24yBK c92652d92652