@book{25059,
	author = {Gilpin, Joseph Elliott, and Bransky, Oscar Ellis,},
	title = {The diffusion of crude petroleum through fuller's earth with notes on its geologic significance, /},
	publisher = {Govt. Print. Off.,},
	year = {1911.},
	series = {U.S. Geological survey. Bulletin 475},
	address = {Washington,}
}