@article{articlebb1a6b7c, title = {Shrimp U-'PB' zircon geochronology of archaean granitoids from the Contendas-Mirante area of the São Francisco Craton, Bahia, Brazil}, author = {Nutman, Allen P. and Cordani, Umberto G.}, year = {1993}, doi = {10.1016/0301-9268(93)90032-W}, journal = {Precambrian Research} }