000			00533nam a2200145Ia 4500
008			140208s9999 xx 000 0 und d
044			_aUnited Kingdom
080			_a632.95 B469P
100			_aBeynon, K.I., ed.
245			_aPersistence of insecticides and herbicides : proceedings of a symposium held on 22nd - 24th March, 1976 at the University of Reading _cedited by K.I. Beynon
260			_bBritish Crop Protection Council _aSurrey _c1976
300			_aviii, 277 p.; 22cm.
490			_a(Monograph; no. 17)
942			_2udc _cTXT
999			_c10578 _d10578