Aquatic Microbiology.
London: Academic Press, 1977. Octavo, illustrations, tables, maps, Professor Bill Williams' signature front free endpaper, dustwrapper. More
London: Academic Press, 1977. Octavo, illustrations, tables, maps, Professor Bill Williams' signature front free endpaper, dustwrapper. More
Oxford: Blackwell, 1972. Octavo, diagrams, paperback. More