G.E. Fogg Blue-green algae - London Academic Press 1973 - 459p G.E. Fogg; W.D.P. Stewort; P. Fay & A.E. Walsby: Blue-green algae. London. Academic Press, 1973. 0-12-261650-2--(589.46FOG) ENGLISH ISBN: 0-12-261650-2 Dewey Class. No.: 589.46 / FOG