TY  - BOOK
AU  - Cobb, James C.
CN  - TN24.I3
CN  - TN24.I3
CY  - Urbana :
DA  - 1980.
ID  - 20702
KW  - Coal
KW  - Sphalerite
KW  - Zinc
KW  - Cadmium
N1  - Cover title.
PB  - Illinois State Geological Survey, Division of Illinois Institute of Natural Resources,
PP  - Urbana :
PY  - 1980.
T1  - The abundance of zinc and cadmium in sphalerite-bearing coals in Illinois /
TI  - The abundance of zinc and cadmium in sphalerite-bearing coals in Illinois /
ER  -