Alkmim et al. 2006, Abstract; Noce et al. 2007, p. 60 Alkmim, Fernando F.; Marshak, Stephen; Pedrosa-Soares, Antônio Carlos; Peres, Guilherme Gravina; Cruz, Simone Cerqueira Pereira; Whittington, Alan (2006). «Kinematic evolution of the Araçuaí-West Congo orogen in Brazil and Africa: Nutcracker tectonics during the Neoproterozoic assembly of Gondwana». Precambrian Research. 149 (1-2): 43–64. doi:10.1016/j.precamres.2006.06.007A referência emprega parâmetros obsoletos |coautor= (ajuda)
Rogers 1996 Rogers, John J. W. (1996). «A History of Continents in the past Three Billion Years». The Journal of Geology. 104 (1): 91–107. JSTOR30068065JSTOR30068065