Biogeochemistry of Trace Elements in Coal and Coal Combustion ByproductsKenneth S Sajwan, Ashok K Alva, Robert F Keefer · First published 2000Open the Tome
Biogeochemistry of trace elements in coal and coal combustion byproductsRobert F. Keefer · First published 1999Open the Tome
Trace elements in coal and coal combustion residuesRobert F. Keefer · First published 1993Open the Tome