Short-term rotational variability of eight KBOs from Sierra Nevada Observatory J. L. Ortiz, P. J. Gutiérrez, P. Santos-Sanz, V. Casanova and A. Sota A&A, 447 3 (2006) 1131-1144 Published online: 10 February 2006 DOI: 10.1051/0004-6361:20053572