TY  - BOOK
AU  - Bone , William A.
AU  - Bone, Kate, ded.
TI  - Coal and its scientific uses
U1  - 662.62 21st ed.
PY  - 1919///
CY  - London
PB  - Longmans, Green
KW  - Coal
KW  - Fossil fuels
N1  - 481-91 includes index
ER  -