TY - BOOK T1 - Biology of fresh waters / DA - 1978. CY - New York : AU - Maitland, Peter S. CN - QH96 CN - QH96 PB - Wiley, PP - New York : PY - 1978. ID - 11131 KW - Freshwater biology. SN - 047026392X TI - Biology of fresh waters / ER -