@book{69368,
	author = {American Petroleum Institute, API},
	title = {Manual of petroleum measurement standards. Chapter 11.2.1- Compressibility factors for hydrocarbons: 0-90° API gravity range :},
	publisher = {American Petroleum Institute, API,},
	year = {1984.},
	address = {Washington :},
	edition = {1st ed.}
}