TY  - BOOK
AU  - Tomkeieff, S. I.
TI  - Coals and bitumens and related fossil carbonaceous substances: nomenclature and classification 
AV  - TN800 .T6
U1  - 553.27 
PY  - 1954///
CY  - London
PB  - Pergamon Press
KW  - Coal
KW  - Dictionaries
KW  - Bituminous materials
KW  - Mineralogy
N1  - Bibliography: p. 102-103
ER  -