@book{3335,
	author = {Awadhwal, N. K. and Smith, S. D.},
	title = {New implements for crop production in the semi-arid tropics},
	publisher = {International Crops Research Institute Ffor the Semi-Arid Tropics,},
	year = {1989},
	series = {Information bulletin},
	address = {Patancheru :},
	note = {D49-151}
}