%0 Journal Article %T A comparison of K-Ar and Rb-Sr ages on Alpine biotites %A Armstrong, Richard L. %A Jäger, Emilie %A Eberhardt, Peter %A , %J Earth and Planetary Science Letters %V 1 %N 1 %P 13-19 %@ 0012-821X %D 1966-01-01 %I Elsevier BV %~ DeepDyve