1. Berg, K. - 1931 - Studies on the genus Daphnia O. F. Müller with especial reference to the mode of reproduction. Vidensk. Meddr. dansk naturh. Foren. 92, 1–222.
2. Berg, K. - 1938 - Studies on the bottom animals of Esrom Lake. K. danske Vdnsk. Selsk. 9 Raekke 8, 1–255.
3. Berg, K. & Nygaard, G. - 1929 - Studies on the plankton in the lake of Frederiksborg Castle. Mém. de l'Acad. Roy. des Sci. et des Lett. de Danemark, Sec. des Sci. ser. 9, 1, 223–316.
4. Bevercombe, A. M., Cox, N., Thomas, M. P., & Young, J. O. - 1973 - Studies on the invertebrate fauna of a wet slack in a sand dune system. Arch. Hydrobiol. 71, 487–516.
5. Birge, E. A. & Juday, C. - 1908 - A summer resting stage in the development of Cyclops bicuspidatus Claus. Trans. Wisc. Aacd. Sci. 16, 1–9.