1. Spehalski, R., Cassini mission to Saturn, Proceedings SPIE Denver 5–6 August, 2803-01, 1996, pp. 2–9.
2. Matson, D. L., Cassini/Huygens mission to the Saturnian system, Proceedings SPIE Denver 5–6 August, 2803-03, 1996, pp. 22–32.
3. Lebreton, J. P., Verdan, M. and Wills, R. D., Huygens — the science, payload and mission profile. ESA bulletin, 1994, 77, 31–41.
4. Hunten, D. M., Tomasko, M. G., Flasar, F. M., Samuelson, R., Strobel, D. F. and Stevenson, D. J., Titan, in Saturn, eds. T. Gehrels and M. S. Matthews, The University of Arizona Press, Tucson, 1984, pp. 671–759.
5. Fulchignoni, M., The atmosphere of Titan and the Huygens atmospheric Structure Instrument, Il nuovo cimento 1992, 15C, 1163–1177.