Author: VIK, E. (editor).:
Title: The lake Øvre Heimdalsvatn, a subalpine freshwater ecosystem. The Norwegian contribution to the Freshwater Section of the International Biological Programme.
Description: Holarct. Ecol., 1(2/3): pp. 81-320, many figs., refs. 4to. Journal issue, orig. wrappers. Very good.

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