Hα spectropolarimetry of the B[e] supergiant GG CarinaeA. Pereyra, F. X. de Araújo, A. M. Magalhães, M. Borges Fernandes and A. Domiciano de Souza Domiciano de SouzaA&A, 508 3 (2009) 1337-1341DOI: https://doi.org/10.1051/0004-6361/200913250