TY - BOOK ED - International Symposium on the use of nuclear and related techniques for studying environmental behaviour of crop protectin chemicals ED - FAO TI - Environmental behaviour of crop protection chemicals : Proceedings of a Symposium vienna, 1-5 July 1996, jointly organized by IAEA and FAO T2 - Proceedings Series SN - 0074-1884 KW - PESTICIDAS-EFECTOS ECOLOGICOS.CONGRESOS ER -