Kumar, H. D. Singh, H. N. A textbook on algae / by H. D. Kumar and H. N. Singh - 2nd ed. - New Delhi : Affiliated East-West Press Pvt. Ltd. , 1976. - 216 p. Hard Back Subjects--Topical Terms: ThallophytaAlgaeLife sciences Dewey Class. No.: 579 / KUM-T