TY - BOOK AU - Symoens, J.J. AU - Micha, J.C. TI - The management of integrated freshwater agro-piscicultural Ecosystems in tropical areas AV - QH541.15.M3 1995 PY - 1995/// CY - Brussels PB - Royal Academy of overseas sciences KW - Fresh water ecology KW - Tropical area KW - Agropisciculture ER -