Round, F. E. The Diatoms : biology & morphology of the genera / F. E. Round, R. M. Crawford [and] D. G. Mann. - Cambridge : Cambridge University Press, 1990. - 747 p. : ill. ; 25 cm. Includes index. Includes bibliographical references. ISBN: 0521363187 (hbk.) Subjects--Topical Terms: Diatoms. LC Class. No.: QK569.D54