Author: Szeroczynska, K., 1985.:
Title: Cladocera as ecologic indicators in Late Quaternary lacustrine sediments in Northern Poland.
Description: Acta Palaeont. Polon., 30(1/2): pp. 1-69, 8 pls. of microphotos, 7 fold. leaves of tabs. and diagrs. in pocket, 18 figs. and diagrs. in text, refs. Wrs. - In Polish with English summary.

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