TY - BOOK AU - Sajwan, Kenneth S. AU - Alva, Ashok K. AU - Keefer, Robert F. TI - Biogeochemistry of trace elements in coal and coal combustion byproducts SN - 0306462885 U1 - 621.312 PY - 1999/// CY - New York: PB - Kluwer Academic/Plenum Publishers, KW - Applied physics KW - Metal form KW - Plant growth KW - Power plants ER -