@book{546254,
	author = {Goodman, Richard E.},
	title = {Introduction to rock mechanics /},
	publisher = {Wiley,},
	year = {c1989.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/onix04/87034689.html}
}