TY  - BOOK
AU  - Greene, Robert P (Ed.)
TI  - Future coal prospects: : Country and regional assessments 
T2  - World coal study
SN  - 0-88410-098-7
PY  - 1980///
CY  - Cambridge: 
PB  - Ballinger Publishing Company, 
KW  - Science
KW  - Mining
ER  -