@book{18681,
	author = {Ragan, Donal M.},
	title = {Structural geology : },
	publisher = {Wiley, },
	year = {c1973.},
	address = {New York : },
	edition = {2nd ed.},
	note = {Includes Index. },
	url = {http://www.loc.gov/catdir/enhancements/fy0607/73003335-d.html}
}