Precessing planetary magnetospheres in SiO stars? - First detection of quasi-periodic polarization fluctuations in R Leonis and V CamelopardalisH. Wiesemeyer, C. Thum, A. Baudry and F. HerpinA&A, 498 3 (2009) 801-810DOI: https://doi.org/10.1051/0004-6361/200811242
