@book{18991,
	author = {Ramdohr, Paul,},
	title = {The ore minerals and their intergrowths.},
	publisher = {Pergamon Press,},
	year = {c1969.},
	series = {International series of monographs on earth sciences},
	address = {Oxford ;},
	note = {Translation of Die Erzmineralien und ihre Verwachsungen.}
}