@book{29757,
	author = {Gupta, J K},
	title = {Mechanical engineering: Conventional and objective},
	publisher = {S Chand},
	year = {2019},
	address = {New Delhi},
	edition = {7th ed.},
	note = {3389 02/01/2019 HBD19/7721 12/02/2019 Main Budget}
}