@book{7963,
	author = {Marvin, Charles F.},
	title = {Instructions for the care and management of sunshine recorders ...},
	publisher = {Govt. Print. Off.,},
	year = {1911.},
	series = {United States. Dept. of Agriculture. Weather Bureau. Circular G, Instrument Division. 3d ed. W.B.},
	address = {Washington,}
}