1. Bangerter, B., E. B�hlen & H. Fankhauser, 1980. Untersuchungen �ber das pelagische Phyto-, Rotatorien- und CrustaceenPlankton im Bielersee. Lizentiatsarbeit, Universit�t Bern, 193 Seiten.
2. Bernardi, de R. & E. Soldavini, 1976. Long-term fluctuations of zooplankton in Lake Mergozzo, Northern Italy. Mem. Ist. ital. Idrobiol. 33: 345?375.
3. Berner-Fankhauser, H., 1986. Populationsdynamik der Planktonrotatorien im Bielersee 1981/82. Unpubl. PhD. thesis, Univ. Bern, Switzerland, 88 pp.
4. Bogdan, K. G. & J. J. Gilbert, 1982. Seasonal patterns of feeding by natural populations of Keratella, Polyarthra, and Bosmina: Clearance rates, selectivities, and contributions to community grazing. Limnol. Oceanogr. 27: 918?934.
5. Bogdan, K. G., J. J. Gilbert & P. L. Starkweather, 1980. In situ clearance rates of planktonic rotifers. Hydrobiologia 73: 73?77.