Polarimetry and photometry of the peculiar main-belt object 7968 = 133P/Elst-Pizarro S. Bagnulo, G. P. Tozzi, H. Boehnhardt, J.-B. Vincent and K. Muinonen A&A, 514 (2010) A99 Published online: 28 May 2010 DOI: 10.1051/0004-6361/200913339