Shukla, R. S A textbook of plant ecology: including ethnobotany and soil science. -- 10th ed. R. S. Shukla; P. S. Chandel - 10th ed. - New Delhi S. Chand and Company 2000 - viii, 538p.: ill. ISBN: 8121905486 Subjects--Topical Terms: BOTANYECOLOGYPLANT ECOLOGY LC Class. No.: QK 901 Shu