GRAY, D.// STILES, J.M.// CELIK, I. (WEST VIRGINIA UNIV., MORGANTOWN, WV (UNITED STATES). DEPT. OF CIVIL ENGINEERING)United States. Dept. of Energy(United States. Dept. of Energy)1991.
GRAY, D.D.// STILES, J.M.(WEST VIRGINIA UNIV., MORGANTOWN,WV(USA).DEPT. OF CIVIL ENGINEERING)United States. Dept. of Energy(United States. Dept. of Energy)1990.