Sharpton, Virgil L. (Lunar and Planetary Inst. Houston, TX, United States)
Burke, Kevin (Houston Univ. TX., United States)
Hall, Stuart A. (Houston Univ. TX., United States)
Lee, Scott (Lunar and Planetary Inst. Houston, TX, United States)
Marin, Luis E. (Universidad Nacional Autonoma de Mexico Mexico City., United States)
Suarez, Gerardo (Universidad Nacional Autonoma de Mexico Mexico City., United States)
Quezada-Muneton, Juan Manuel (Universidad Nacional Autonoma de Mexico Mexico City., United States)
Urrutia-Fucugauchi, Jaime (Gerencia de Exploracion Petroleos Mexicanos, Mexico City., United States)