@book{32619,
	author = {Gill, Pritam Singh,},
	title = {Computer aided drafting using AutoCAD /},
	publisher = {S.K. Kataria & Sons,},
	year = {2018 ; Reprint 2021.},
	address = {New Delhi, India :},
	edition = {Third edition.},
	note = {Includes index.}
}