@book{50591,
	author = {Pathak, Sushil Kumar.},
	title = {Response of Chewing Tobacco To Zn, Cu, & B With and Without Green Manuring in Calcareous Soils of Bihar / },
	publisher = {: RAU},
	year = {, 1988},
	address = {.- Pusa, Samastipur}
}