Palabras claves: geochronology, M257, reference material, Secondary ion mass spectrometry, SIMS, U-Pb, zircon
Autores: Alfred Kron̈er, Corfu F., Dörr W., Frei D., Götze J., Häger T., Hofmeister W., Kamo S.L., Kennedy A.K., Košler J., Kronz A., Martinson J.M., Nasdala L., Norberg N., Reiners P.W., Valley J.W., Yusheng W.