00694nab a2200229 a 4500 AR-ReUNN 20260702003152.0 260630s ag |||||||||||||||||eng eng Sperling, Eduardo Von 150751 Programmes for the control and restoration of degraded aquatic systems / Eduardo von Sperling 12 páginas Watersheds 148315 Cuencas Hidrograficas 22485 Ambiente Acuatico 7770 Control 11982 Aquatic Environment 147374 Acta Limnologica Brasiliensia v. 5 (1994) 235112 ART (INICN)52344 236257 236257 236257 AR-ReUNN spa AR-ReUNN aacr2