Evaluating the carbon depletion found by the Stardust mission in Comet 81P/Wild 2 E. Zubko, K. Muinonen, Y. Shkuratov, E. Hadamcik, A.-C. Levasseur-Regourd and G. Videen A&A, 544 (2012) L8 Published online: 03 August 2012 DOI: 10.1051/0004-6361/201218981