00750nam a2200241 a 4500 AR-ReUNN 20260701235652.0 260701s1981 uk |||||||||||||||||eng eng Proceedings of the Conference on Aquatic Weeds and Their Control 63468 Aquatic Weeds and their control Great Britan Association of Applied Biologists; Association of Drainage Authorities 1981 330 páginas Malezas Acuaticas 6068 Control de Malezas 62650 Control Mecanico 61514 Control Quimico 9680 Herbicidas 11981 Medio Ambiente 4716 LIB (CIB)106442 134472 134472 134472 AR-ReUNN spa AR-ReUNN aacr2