Investigation by experiment.
London: Edward Arnold, (1976. reprint). Octavo, softcover. Studies in biology, number 23. More
London: Edward Arnold, (1976. reprint). Octavo, softcover. Studies in biology, number 23. More
London: Academic Press, 1977. Octavo, illustrations, tables, maps, Professor Bill Williams' signature front free endpaper, dustwrapper. More
London: Edward Arnold, 1969. Octavo, softcover. Studies in biology, number 18. More
Oxford: Blackwell, 1972. Octavo, diagrams, paperback. More