HAWTHORNE, S.B.// TIMPE, R.C.// HARTMAN, J.H. (NORTH DAKOTA UNIV., GRAND FORKS, ND (UNITED STATES). ENERGY AND ENVIRONMENTAL RESEARCH CENTER)United States. Dept. of Energy(United States. Dept. of Energy)1993.
HAWTHORNE, S.B.// TIMPE, R.C.// HARTMAN, J.H. (NORTH DAKOTA UNIV., GRAND FORKS, ND (UNITED STATES). ENERGY AND ENVIRONMENTAL RESEARCH CENTER)United States. Dept. of Energy(United States. Dept. of Energy)1994.