TY - RPRT TI - Evolution of continental crust and mantle heterogeneity: Evidence from Hf isotopes AU - Patchett P. Jonathan AU - O. Kouvo AU - C. E. Hedge AU - M. Tatsumoto PY - 1982 DO - 10.1007/bf00398923 UR - https://pubs.usgs.gov/publication/70011896 ID - 70011896 ER -