Sharma, P. D.
Elements of ecology / P D Sharma. - 5th ed (reprinted) - Meerut : Rastogi Publications, 1984. - xiv,420 p. : ill. ; 23 cm.
Includes bibliographical references and indexes.
Environmental Science
574.5
Elements of ecology / P D Sharma. - 5th ed (reprinted) - Meerut : Rastogi Publications, 1984. - xiv,420 p. : ill. ; 23 cm.
Includes bibliographical references and indexes.
Environmental Science
574.5