1. A biologically-defined exposure scale for the comparative description of rocky shores;Ballantine;Field Stud.,1961
2. Ecology. Individuals, Populations and Communities;Begon,1986
3. The meanings of competition;Birch;Am. Nat.,1957
4. Boaventura, D., 2000. Patterns of distribution in intertidal rocky shores: the role of grazing and competition in structuring communities. Tese de Doutoramento, Universidade do Algarve.
5. The biology of the limpet Patella vulgata L. in the British Isles: spawning time as a factor determining recruitment success;Bowman,1985