Rokitka, M. A. & Herreid, C. F., II. (1975). Formation of epigphragms by the land snail Otala lactea (Müller) under various environmental conditions. The Nautilus. 89(2): 27-32, figs. 1-3.
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Rokitka, M. A. & Herreid, C. F., II
1975
Formation of epigphragms by the land snail <i>Otala lactea</i> (Müller) under various environmental conditions