na INLIS000000000020469 Ind 0010-1218002307 Ecology of fresh waters MOSS, BRIAN Moss, Brian Oxford Blackwell Scientific Publications, C. 1980 232 p. 232 p. 0-632-00403-7 ills.Incl. : bibl. p. 295-312 index p. 313-332Photocopy 581.526.323.2 FRESHWATER ECOLOGY 0379/87