Bibcode:2009Icar..200..581C. doi:10.1016/j.icarus.2008.12.005. Cite journal Last name J. Cui Last name 2 R.V. Yelle Last name 3 V. Vuitton Last name 4 J.H. Waite Jr. Last name 5 W.T. Kasprzak Last name 6 D.A. Gell Last name 7 H.B. Niemann Last name 8 I.C.F. Müller-Wodarg Last name 9 N. Borggren Source date April 2009 Title Analysis of Titan's neutral upper atmosphere from Cassini Ion Neutral Mass Spectrometer measurements URL http://www.sciencedirect.com/science/article/pii/S0019103508004296 Journal Icarus Volume 200 Issue 2 Pages 581–615 Bibcode 2009Icar..200..581C DOI 10.1016/j.icarus.2008.12.005 ↑ "Saturn's Moon Titan: Prebiotic Laboratory".