@book{16191,
	author = {Palaniappan, sp. and Sivaraman K.},
	title = {Cropping systems in the tropics :},
	publisher = {New age international (p) limited, publishers,},
	year = {c1996.},
	address = {New Delhi :},
	edition = {2nd rev. ed},
	note = {Includes biblliographical references and index}
}