@book{550708,
	author = {Transportation Research Board and National Research Council (U.S.).},
	title = {HCM 2010 :},
	publisher = {Transportation Research Board,},
	year = {c2010-},
	address = {Washington, D.C. :},
	edition = {5th ed.},
	note = {"Volume 4 is an electronic-only volume that registered HCM users will be able to access over the Internet. This volume includes four types of content: supplemental chapters on methodological details and emerging issues; interpretations, clarifications, and corrections; comprehensive case studies; and a technical reference library.  HCM 2010 is produced in U.S. customary units only.  There is no CD-ROM or other electronic version of the contents of Volumes 1 through 3"--Transportation  Research Board website.},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio11013170}
}