1. Protoplasma Monographien;J. B?l�hradek,1935
2. Berrill, N. J., 1935. Studies in tunicate development, Part III: Differential retardation and acceleration. Phil. Trans. r. Soc., Lond. 225B: 255?326.
3. Bikar, K., 1986. Dauer der Eientwicklung von Planktoncrustaceen des �berlinger Sees (Bodensee) in Abh�ngigkeit von der saisonalen Variation der Umgebungstemperatur, der Adultgr��e und des Eigewichts. Diplomarbeit, Univ. Freiburg, 119 pp.
4. Bottrell, H. H., 1975. The relationship between temperature and duration of egg development in some epiphytic Cladocera and Copepoda from the river Thames, Reading, with a discussion of temperature functions. Oecologia 18: 63?84.
5. Bottrell, H. H., A. Duncan, Z. M. Gliwicz, E. Grygierek, A. Herzig, A. Hillbricht-Ilkowska, H. Kurasawa, P. Larsson & T. Weglenska, 1976. A review of some problems in zooplankton production studies. Norw. J. Zool. 24: 419?456.