@book{57327,
	author = {American Petroleum Institute, API},
	title = {Manual of petroleum measurement standards. Chapter 11.2.2- Compressibility factors for hydrocarbon: 0.350-0.637 relative density (60°F/60°F) and -50°F to 140°F metering temperature :},
	publisher = {American Petroleum Institute, API,},
	year = {1986.},
	address = {Washington :},
	edition = {2nd ed.}
}