01137nam--2200373---45--9900003899202033160-85404-559-70038992USA010038992(ALEPH)000038992USA01003899220010404d1998----km-y0ITAy0103-------baENGUKChemistry and mode of action of crop protection agentsLeonard G. Copping, H. Goeffey HewittCambridgeThe royal society of chemistrycopyr. 1998XII, 145 p.ill.25 cm.2001ErbicidiAntiparassitariPiante632.954Copping,Leonard G313179Hewitt,H. Geoffrey544243ITACBSISBD990000389920203316632.954 COPCBS 0025211632.95400100171BKSCIALANDI9020010404USA01121120020403USA011647PATRY9020040406USA011627Chemistry and mode of action of crop protection agents875961UNISA