@book{26205,
	author = { Singh, Chhidda and Singh, Prem },
	title = {Modern techniques of raising field crops/by Chhidda Singh, Prem Singh and Rajbir Singh},
	publisher = {Oxford & IBH Publishing Co. },
	year = {2009.},
	address = { New Delhi: },
	edition = {2nd.ed.}
}