An illustrated guide to ciliated protozoa used as biological indicators in freshwater ecology

An illustrated guide to ciliated protozoa used as biological indicators in freshwater ecology text s.l.] WHO 1969 Ind 20 p. : ill. ; 28 cm. 20 p. : ill. ; 28 cm. BICK, Hartmut CILIOPHORA FRESHWATER ECOLOGY 593.1 593.1BICi INLIS000000000024907 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)