@article{article07e44043,
title   = {Upper mantle material in the Brazilian shield},
author = {Berbert, C. O. and Svisero, Darcy P. and Sial, Alcides Nobrega and Meyer, H. O. A.},
year = {1981},
doi = {10.1016/0012-8252(81)90008-8},
journal   = {Earth-Science Reviews}
}