%0 Journal Article %T C-isotope composition of early Paleoproterozoic carbonates from the Minas Supergroup and the record of The Lomagundi phenomenon in Brazil %A SIAL ALCIDES N. %A FERREIRA VALDEREZ P. %A ROMANO ANTONIO W. %J Anais da Academia Brasileira de Ci¨ºncias %D 2002 %I Academia Brasileira de Ci¨ºncias %U http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652002000300048