SHARP, J.M. JR. (TEXAS UNIV., AUSTIN, TX (UNITED STATES). DEPT. OF GEOLOGICAL SCIENCES)United States. Dept. of Energy(United States. Dept. of Energy)1993.
SHARP, J.M. JR. (TEXAS UNIV., AUSTIN, TX (UNITED STATES). DEPT. OF GEOLOGICAL SCIENCES)United States. Dept. of Energy(United States. Dept. of Energy)1994.