MGDS References
Morgan, J., M. Warner, . the Chicxulub Working Group, J. Brittan, R. Buffler, A. Camargo, G. Christeson, P. Denton, A. Hildebrand, R. Hobbs, H. Macintyre, G. Mackenzie, P. Maguire, L. Marin, Y. Nakamura, M. Pilkington, V. Sharpton, D. Snyder, G. Suarez, and A. Trejo, "Size and morphology of the Chicxulub impact crater", Nature, 390: 472-476, 1997, DOI 10.1038/37291. (View Reference)