Imaging polarimetry of stellar light scattered in detached shells around the carbon stars R Scl and U AntD. González Delgado, H. Olofsson, H. E. Schwarz, K. Eriksson, B. Gustafsson and T. GledhillA&A, 399 3 (2003) 1021-1035DOI: https://doi.org/10.1051/0004-6361:20021596
