FLOWERS, L.// GREEN, J.// BERGEY, M.// LILLEY, A.// MOTT, L. (NATIONAL RENEWABLE ENERGY LAB., GOLDEN, CO (UNITED STATES))National Renewable Energy Laboratory(National Renewable Energy Laboratory)1994.
HEDIN, D.// KAPLAN, D.// GREEN, J. (NORTHERN ILLINOIS UNIV., DE KALB, IL (UNITED STATES))United States. Dept. of Energy(United States. Dept. of Energy)1993.