@book{25323,
	author = {Subrahmanyam, N.S.  and Sambamurty, A.V.S.S. },
	title = {Ecology/by N.S. Subrahmanyam and A.V.S.S. Sambamurty},
	publisher = {Narosa Publishing House,},
	year = {2013.},
	address = {New Delhi:},
	edition = {3rd. rev. ed.}
}