http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Isotopic U-Pb ages of zircon from the granitoids of the central Sierra Nevada, California
iii, 17 pages : illustrations, maps ; 29 cm.
G.P.O. sales statement incorrect in publication.
Geological Survey professional paper ; 1185