Van Geel, B.; Grenfell, H. R. (1996). Spores of Zygnemataceae. Pp. 173-179 in J. Jansonius & D.C. McGregor (eds): Palynology: Principles and Applications, Vol. 1. American Association of Stratigraphic Palynologists Foundation.
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Van Geel, B.; Grenfell, H. R.
1996
Spores of Zygnemataceae. Pp. 173-179 in J. Jansonius & D.C. McGregor (eds): Palynology: Principles and Applications, Vol. 1. American Association of Stratigraphic Palynologists Foundation.