TY  - BOOK
AU  - Moore,Elwood S.
TI  - Coal: its properties, analysis, classification, geology, extraction, uses and distribution
PY  - 1940///
CY  - New York
PB  - J.Wiley & Sons
KW  - GeologÃ­a econÃ³mica
KW  - CarbÃ³n
KW  - Libro
ER  -