1. Rates of feeding by Thais (Nucella) lapillus (L.);Bayne;J. exp. mar. Biol. Ecol.,1978
2. On the oxygen consumption of some freshwater snails;Berg;Verh. int. Verein, theor. angew. Limnol.,1961
3. The respiration of freshwater snails;Berg;J. exp. Biol.,1959
4. The structural and functional dynamics of selected species populations of freshwater snails: towards a systems approach;Calow,1972
5. The geographical distribution of Purpura lapillus (L.);Cooke,1915