http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tables for the calculation of lead isotope ages
1 online resource (iv, 40 pages) : illustrations.
Title from title screen (viewed September 26, 2014).
"Tables for the calculation of geologic age using the atomic ratios of Pb206/U238, Pb207/U235, Pb207/Pb206, and Pb208/Th232."
"This report concerns work done on behalf of the U.S. Atomic Energy Commission and is published with the permission of the Commission."
Includes front matter for Shorter contributions to general geology, 1958.
Includes bibliographical references (page 7).
Geological Survey professional paper ; 334-A
Shorter contributions to general geology