ELLIOT L ATLAS -
a Departments of Chemistry, Texas A & M University, College Station, TX 77843
KIRBY C DONNELLY -
b Soil and Crop Sciences, Texas A & M University, College Station, TX 77843
C.S GIAM -
a Departments of Chemistry, Texas A & M University, College Station, TX 77843
ANDREW R McFARLAND -
c Civil Engineering, Texas A & M University, College Station, TX 77843