TY  - BOOK
AU  - Adams,P.J.
TI  - The origin and evaluation graph of coal: : department of scientific and industrial research: geological survey and museum
AV  - BOT TP325.A22 
PY  - 1960///
CY  - London
PB  - Her Majesty's Stationery Office
KW  - Coal
N1  - Includes bibliographical 	references
ER  -