References
- Brooks, J. L., 1946: Cyclomorphosis in Daphnia. I. An analysis of D. retrocurva and D. galeata. — Ecol. Monogr. 16: 409–447.
- Brooks, J. L., 1947: Turbulence as an environmental determinant of relative helmet growth in Daphnia. — Proc. Nat. Acad. Sci., U. S. A. 33: 141–148.
- Brooks, J. L., 1965: Predation and relative helmet size in cyclomorphic Daphnia. — Proc. Nat. Acad. Sci., U. S. A. 53: 119–126.
- Dodson, S. I., 1974: Adaptive change in plankton morphology in response to size selective predation: a new hypothesis of cyclomorphosis. — Limnol. Oceanogr. 19: 721–729.
- Egloff, D. A., 1968: The relative growth and seasonal variation of several cyclomorphic structures of Daphnia catawba Coker in natural populations. — Arch. Hydrobiol. 65: 325–359.
- Gilbert, J. J., 1967: Asplanchna and postero-lateral spine production in Brachionus calyciflorus. — Arch. Hydrobiol. 64: 1–62.
- Hazelwood, D. H., 1962: Temperature and photoperiod effects on cyclomorphosis in Daphnia. — Limnol. Oceanogr. 7: 230–232.
- Hazelwood, D. H. 1966: Illumination and turbulence effects on relative growth in Daphnia. — Limnol. Oceanogr. 11: 212–216.
- Hrbáček, J., 1959: Circulation of water as a main factor influencing the development of helmets in Daphnia cucullata Sars. — Hydrobiologia 13: 170–185.
- Hutchinson, G. E., 1967: A treatise on limnology. II. — New York, John Wiley and Sons.
- Jacobs, J., 1961 a: Cyclomorphosis in Daphnia galeata mendotae Birge, a case of environmentally controlled allometry. — Arch. Hydrobiol. 58: 7–71.
- Jacobs, J., 1961 b: On the regulation mechanism of environmentally controlled allometry (heterauxesis) in cyclomorphic Daphnia. — Physiol. Zool. 34: 202–216.
- Jacobs, J., 1962: Light and turbulence as co-determinants of relative growth rates in cyclomorphic Daphnia. — Int. Rev. Hydrobiol. 47: 146–156.
- Jacobs, J., 1965: Control of tissue growth in cyclomorphic Daphnia. — Naturwissenschaften 52: 92–93.
- Jacobs, J., 1967 a: Untersuchungen zur Funktion und Evolution der Zyklomorphose bei Daphnia, mit besonderer Berücksichtigung der Selektion durch Fische. — Arch. Hydrobiol. 62: 467–451.
- Jacobs, J., 1967 b: Temperature, food, and turbulence as natural determinants of cyclomorphosis in Daphnia. — Naturwissenschaften 54: 1–2.
- Jacobs, J., 1970: Multiple Determination der Zyklomorphose durch Umweltfaktoren. — Oecologia (Berl.) 5: 96–126.
- Jacobs, J., 1980: Environmental control of cladoceran cyclomorphosis via target-specific growth factors in the animal. — In: The Evolution and Ecology of Zooplankton Communities. Spec. Symp. 3: 429–473. ASLO, Univ. Press New England, Hanover, N. H.
- O'Brien, W. J., Kettle, D. & Riessen, H., 1979: Helmets and invisible armor: Structures reducing predation from tactile and visual planktivores. — Ecology 60: 287–294.
- Zaret, T., 1972: Predator—prey interaction in a tropical lacustrine ecosystem. — Ecology 53: 248–257.