Geiger, S.R. (1966). Size variation in Metridia longa (Lubbock). In: Barnes, H. (ed.). Some contemporary studies in marine science. Allen & Unwin Ltd., New York :335-341, figs. 1-2, tab. 1.
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Geiger, S.R.
1966
Size variation in Metridia longa (Lubbock).
In: Barnes, H. (ed.). Some contemporary studies in marine science. Allen & Unwin Ltd., New York