TY  - BOOK
AU  - Farmer,I.W.
TI  - Coal mine structures
SN  - 0412250306
PY  - 1985///
CY  - London
PB  - Chapman & Hall
KW  - Coal mines and mining
KW  - Ground control (Mining)
N1  - Includes index; Bibliography : p. 288-302
ER  -