The Structure and function of fresh-water microbial communities. Cairns, John, American Microscopical Society. Freshwater microbiology 576 VIR 1971 A106 Or. On cover: American Microscopical Society Symposium. This book is a compilation of manuscripts prepared following the 1969 symposium sponsored by the American Microscopical Society. Blacksburg, Virginia Polytechnic Institute and State University [1971] [1971] Text viii, 300 p. Research Division monograph 3