@book{4138,
	author = {Trias, Remar M., author. and Delos Santos, Roylan C., author.},
	title = {Improved valve lapper: },
	publisher = {Cavite State University-CCAT Campus,},
	year = {2007},
	address = {Rosario, Cavite :},
	note = {An Undergraduate Technical Feasibility (BSIT major in Automotive Technology) --Cavite State University-CCAT Campus, 2007.}
}