@book{29995,
	author = {Olson, Jerry Chipman, and Overstreet, William C.},
	title = {Geologic distribution and resources of thorium,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1964.},
	address = {Washington,},
	note = {Prepared partly on behalf of the U. S. Atomic Energy Commission.}
}