@book{15634,
	author = {Vasistha , A.R. . and Agarwal, D.C. .},
	title = {Analytical Geometry of Theree Dimensions: Coordinate Solid Geometry /},
	publisher = {Krishna Prakashan Mandir ,},
	year = {1995.},
	address = {Meerut :},
	edition = {5th ed. /}
}