TY - GEN AU - Vangioni-Flam, E. TI - Astrophysical ages and dating methods: E. Vangioni-Flam, M. Casse, J. Audouze and J. Tran Thanh Van T2 - Iap astrophysics meeting SN - 2863320696 PY - 1990/// CY - [S.l.] PB - Editions Frontieres ER -