@book{69352,
	author = {American Petroleum Institute, API},
	title = {API Standard paragraphs rotordynamic tutorial:lateral critical speeds, unbalance response, stability, train torsionals, and rotor balancing :},
	publisher = {American Petroleum Institute, API,},
	year = {2005.},
	address = {Washington :},
	edition = {2nd ed.}
}