1. Birky, C.W., Jr. & J.J. Gilbert, 1971. Parthenogenesis in rotifers: The control of sexual and asexual reproduction. Amer. Zool. 11:245–266.
2. Birky, C. W., Jr., 1967. Studies on the physiology and genetics of the rotifer Asplanchna. III. Results of outcrossing, selfing and selection. J. exp. Zool. 165: 104–116.
3. Bogdan, K. G. & J. J. Gilbert, 1987. Quantitative comparison of food niches in some freshwater zooplankton. Oecologia 72: 331–340.
4. Carlin, B., 1943. Die Planktonrotatorien des Motalastrom. Medd. Lunds Univ. Limnol. Institut., 258 pp.
5. Clement, P., E. Wurdak & J. Amsellem, 1983. Behavior and ultrastructure of sensory organs in rotifers. Hydrobiologia 104: 89–130.