Spectroscopic study of comet 9P/Tempel 1 - Picazzio, Enos; Churyumov, K. I; Andrievsky, S. M; Luk'yanyk, I. V; Kleshchonok, V. V; Almeida, Amaury Augusto de; Afanasiev, V. L (Astronomical and Astrophysical Transactions, 2014)