@book{15362,
	author = {Rao, J.V.D.K Kumar and Johansen, C.},
	title = {Residual Effects of Legumes in Rice and Wheat Cropping Systems of the Indo-Gangetic Plain},
	publisher = {Oxford and IBH Publishing Co. Pvt. Ltd.},
	year = {1998},
	address = {New Delhi}
}