@book{207376,
	author = {Wittke, Walter.},
	title = {Rock mechanics based on an anisotropic jointed rock model (AJRM) /},
	publisher = {Ernst & Sohn,},
	year = {©2014.},
	address = {Berlin :},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9783433604281}
}