Sharma, O.P. . Textbook of Algae / Textual Documents O.P. Sharma. - 1st ed. / - New Delhi : Tata Mcgraw-Hill Publishing Company Ltd , C1986. - xi,396p. : ill ; 22cm . Index ISBN: 0-07-451928-X Subjects--Index Terms: Botany Algae G-Botany Dewey Class. No.: 589.3 / Sh 11 Te