By Krappe, Martin.
.
9 páginas , Gesellschaft für Naturschutz und Landschaftsökologie e.V. D-17237 Kratzeburg, Dorfstrabe 31

Place hold on The use of sequentially coded wire tags for marking of larval and adult brook lampreys, Lampetra planeri BLOCH, 1784 = Der einsatz von sequentiell codierten wire tags zur markierung von juvenilen und adulten bachneunaugen, Lampetra planeri BLOCH, 1784

By Kotusz, Jan.
.
15 páginas , Kotusz, J.-University of Wroclaw, Museum of Natural History, ul. Sienkiewicza 21, PL-50-335 Wroclaw

Place hold on Distribution, density and habitat of Cottus poecilopus - Heckel, 1836 - in Lake Hancza - North East Poland - as compared with the situation in the Luzin lakes - North East Germany -