TY - BOOK AU - Dalrymple,G.Brent ED - United States TI - Irradiation of samples for ⁴⁰Ar/³⁹Ar dating using the Geological Survey TRIGA reactor U1 - 551.701 PY - 1981///. CY - Washington: PB - U. S. Government Printing Office, KW - Argon KW - Isotopes KW - Radioactive dating KW - Nuclear reactors N1 - Includes bibliographical references (p. 26-29) ER -