01045nam0-22002891i-450 99000172588040332120190513120530.0000172588FED01000172588(Aleph)000172588FED0100017258820030910d1977----km-y0itay50------baengCrop protection agents-their biological evaluationproceedings of the international conference on the evaluationof biological activity, held at Wageningen, 16-18 April, 1975edited by N.R. McFarlaneLondon-New YorkAcademic Press1977XVII, 638 p.23 cmDifesa vegetale632.9McFarlane,N. R.INTERNATIONAL CONFERENCE ON THE EVALUATION OF BIOLOGICAL ACTIVITY, Wageningen, 197574624ITUNINARICAUNIMARCBK99000172588040332160 632.9 FARN 197747896FAGBCFAGBCCrop protection agents-their biological evaluation359941UNINA