@inproceedings{inproceedings9520829f, title = {87SR/86Sr results from the polonez cove and cape Melville formations (tertiary), king George Island, west antartica}, author = {Trosdtorf JĂșnior, Ivo and Kawashita, Koji and Santos, Paulo Roberto dos and Rocha-Campos, A. C.}, year = {2000}, publisher = {CPRM}, booktitle = {International Geological Congress} }