TY  - BOOK
AU  - Muir William L G Ed.
ED  - Symposium on coal exploration (1976 : London)
TI  - Proceeding on coal exploration
U1  - H235403p1,N76, L6 
PY  - 1976///
CY  - San Francisco 
PB  -  Miller Freeman       
KW  - Geology
ER  -