@book{529287,
	author = {Hofmann-Wellenhof, B. and Moritz, Helmut,},
	title = {Physical geodesy /},
	publisher = {SpringerWienNewYork ,},
	year = {c2006.},
	address = {Wien ;},
	edition = {2nd, corrected ed.},
	url = {http://www.loc.gov/catdir/toc/fy0708/2006931768.html}
}