Sharma, P. D.
Elements of ecology / P. D. Sharma. - 4th ed. - Merrut, India : Rastogi Publications, c 1981. - xvi, 373 p. : ill. ; 22 cm.
Includes index.
310 310
Ecology.
581.5 / P1e
Elements of ecology / P. D. Sharma. - 4th ed. - Merrut, India : Rastogi Publications, c 1981. - xvi, 373 p. : ill. ; 22 cm.
Includes index.
310 310
Ecology.
581.5 / P1e