@book{31471,
	author = {Chao, K. S. Clifford.},
	title = {Practical essentials of intensity modulated radiation therapy /},
	publisher = {Lippincott Williams & Wilkins,},
	year = {c2005.},
	address = {Philadelphia :},
	edition = {2nd ed.},
	note = {Rev. ed. of: Intensity modulated radiation therapy for head and neck cancer, c2003.},
	url = {http://www.loc.gov/catdir/toc/ecip0421/2004018388.html}
}