TY - BOOK AU - Alva, Ashok K TI - Biogeochemistry of trace elements in coal and coal combustion byproducts SN - 9780306462887 U1 - 621.3121320287 SAJ PY - 1999/// CY - Dordrecht ; Boston PB - Kluwer Academic, Plenum Publishers KW - Coal - Combustion - By-products - Environmental aspects - Congresses ER -