1. Aycock, D. - 1942 - Influence of Temperature on Size and Form of Cyclops vernalis Fischer. J. Elisha Mitch. Sci. Soc., 58: 84?93.
2. Dussart, B. - 1957 - Le genre Diaptomus (Crustac� Cop�pode) en France. Bull. Soc. zool. France, 74: 191?198, 33 fig.
3. Dussart, B. - 1958 - Remarques sur le genre Cyclops s. str. (Crust. Cop.). Hydrobiologia, 10: 263?292, 12 fig., tabl., bibl.
4. Fryer, G. - 1954 - Contribution on our knowledge of the biology and systematics of the freshwater copepoda. Schweiz. Z. Hydrol., 16 (1): 64?77, fig., bibl.
5. Fryer, G. - 1957a - The feeding mechanisms of some freshwater Cyclopoid Copepods. Proc. zool. Soc. London, 129 (1): 1?25, fig., 1 pl. h.t.