Coordinated thermal and optical observations of Trans-Neptunian object (20 000)Varuna from Sierra NevadaE. Lellouch, R. Moreno, J. L. Ortiz, G. Paubert, A. Doressoundiram and N. PeixinhoA&A, 391 3 (2002) 1133-1139DOI: https://doi.org/10.1051/0004-6361:20020903
