TY  - BOOK
AU  - Shetton,John E.
TI  - Sulfur: a chapter from mineral facts and problems 1980 edition 
T2  - Preprint from bulletin
U1  -  553.240973 
PY  - 1980///
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Coal
KW  - United States
KW  - Coal mine waste
KW  - Sulfur
N1  - Bureau of mines
ER  -