@book{26708,
	author = {Beardsley, John. and Hirshhorn Museum and Sculpture Garden.},
	title = {Probing the earth},
	publisher = {Smithsonian Institution Press : for sale by the Supt. of Docs., U.S. Govt. Print. Off.},
	year = {c1977.},
	address = {Washington},
	note = {Catalog of an exhibition held at the Hirshhorn Museum and Sculpture Garden, Oct. 27, 1977-Jan. 2, 1978, and at other museums.}
}