Holt, John W., Fishbaugh, Kathryn E., Byrne, S., Christian, S., Tanaka, K., Russell, P. S., Herkenhoff, K. E., Safaeinili, A., Putzig, N. E., and Phillips, R. J. 2010. "The construction of Chasma Boreale on Mars." Nature. 465 (7297):446–449. https://doi.org/10.1038/nature09050