text Oxford Blackwell Scientific Publications, C. 1980 Ind 232 p. 232 p. ills.Incl. : bibl. p. 295-312 index p. 313-332Photocopy MOSS, BRIAN FRESHWATER ECOLOGY 581.526.323.2 0-632-00403-7 INLIS000000000020469 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)