TY  - BOOK
AU  - Ar─▒o─ƒlu, Ergin.
TI  - Design essentials of hard rock mass & coal strength with practical solved problems 
SN  - 9789755032122
U1  - 338.4 ARI 
PY  - 2011///
CY  - Istanbul 
PB  - Evrim Publisher
KW  - Coal mines and mining.;Coal;Rock mechanics
ER  -