TY - RPRT TI - Irradiation of samples for 40Ar/39Ar dating using the Geological Survey TRIGA reactor AU - G. Brent Dalrymple AU - E.C. Alexander AU - M. A. Lanphere AU - G.P. Kraker PY - 1981 DO - 10.3133/pp1176 UR - https://pubs.usgs.gov/publication/pp1176 ID - pp1176 ER -