@book{95894,
	author = {Shukla, R.S. and Chandel, P.S.},
	title = {A textbook of plant ecology :},
	publisher = {S. Chand},
	year = {2015(repr.)},
	address = {New Delhi},
	edition = {12th rev. & enl. ed},
	note = {Includes index}
}