@misc{indiciae4e836dfbcd96,
  title = {Saturn's Titan: Surface change, ammonia, and implications for atmospheric and tectonic activity},
  author = {R.M. Nelson and L.W. Kamp and D. L. Matson and P.G.J. Irwin and K. H. Baines and M.D. Boryta and F.E. Leader and R. Jaumann and W. D. Smythe and Christophe Sotin and R. N. Clark and D. P. Cruikshank and P. Drossart and J.C. Pearl and B.W. Hapke and J. Lunine and M. Combes and G. Bellucci and J.-P. Bibring and F. Capaccioni and P. Cerroni and A. Coradini and V. Formisano and G. Filacchione and R.Y. Langevin and T. B. McCord and V. Mennella and P. D. Nicholson and B. Sicardy},
  year = {2009},
  doi = {10.1016/j.icarus.2008.08.013},
  url = {https://pubs.usgs.gov/publication/70032973},
  note = {Source identifier: 70032973}
}