MGDS References
Gulick, S., P. Barton, G. Christeson, M. McDonald, K. Mendoza, J. Morgan, Z. Pearson, A. Surrendra, J. Urrutia, P. Vermeesch, M. Warner, "Importance of pre-impact crustal structure for the asymmetry of the Chicxulub impact crater", Nat. Geosci., 1: 131-135, 2008, DOI 10.1038/ngeo103. (View Reference)