Water quality criteria for freshwater fish
Alabaster, J S; Lloyd, R
Water quality criteria for freshwater fish - - Food & Agriculture Organisation of the United Nations, London 1982 - 361 - .
Fish culture in freshwater
639.31 ALA-W
Water quality criteria for freshwater fish - - Food & Agriculture Organisation of the United Nations, London 1982 - 361 - .
Fish culture in freshwater
639.31 ALA-W