1. Armstrong JC, Titus TN, Kieffer HH (2005) Evidence for subsurface water ice in Korolev crater, Mars. Icarus 174:360–372
2. Armstrong JC, Nielson SK, Titus TN (2007) Survey of TES high albedo events in Mars’ northern polar craters. Geophys Res Lett 34. doi:10.1029/2006GL027960
3. Brown AJ, Byrne S, Tornabene LL, Roush T (2008) Louth crater: evolution of a layered water ice mound. Icarus 196:433–445
4. Brown AJ, Calvin W, Hollingsworth JL, Schaefer JR, Michaels TI, Mellem BA (2011) CRISM and MARCI observations of north polar springtime recession for MY 29/30. In: Fifth international conference on Mars polar science and exploration, Fairbanks, Alaska and published by Lunar and Planetary Institute, Houston, Texas #6060
5. Burr DM, Tanaka KL, Yoshikawa K (2009) Pingos in Earth and Mars. Planet Space Sci 57:541–555