TY - RPRT TI - Precise K-Ar, 40Ar/39Ar, Rb-Sr and U/Pb mineral ages from the 27.5 Ma fish canyon tuff reference standard AU - M. A. Lanphere AU - H. Baadsgaard PY - 2001 DO - 10.1016/s0009-2541(00)00291-6 UR - https://pubs.usgs.gov/publication/70023266 ID - 70023266 ER -