@book{24140,
	author = {Leith, C. K.},
	title = {Rock cleavage /},
	publisher = {Govt. Print. Off.,},
	year = {1905.},
	series = {U.S. Geological survey. Bulletin},
	address = {Washington,},
	note = {Subject series: D, Petrography and mineralogy, 30; E,  Chemistry and physics, 42.}
}
