1. Birkeland, C. and B. D. Gregory: Feeding behavior of a tropical predator Cyphoma gibbosum Linnaeus. In: Tektite 2. Scientists in the sea, pp VI-58?VI-69. Ed. by J. W. Miller and J. G. Vanderwalker. Washington: U.S. Department of the Interior 1971
2. Carpenter, R. C.: Grazing by Diadema antillarum Philippi and its effects on the benthic algal community. J. mar. Res. 39, 749?765 (1981)
3. Connell, J. H.: Diversity in tropical rain forests and coral reefs. Science, N.Y. 199, 1302?1310 (1978)
4. Cook, A.: Homing in the Gastropoda. Malacologia 18, 315?318 (1979)
5. Duggins, D. O.: Kelp beds and sea otters: an experimental approach. Ecology 61, 447?453 (1980)