TY  - GEN
AU  - Chernigouskii, A. A.
TI  - Application of Directional Blasting in Mining and Civil Engineering
SN  - 8120500180
U1  - 622.23 CHE 
PY  - 1985///
CY  - New Delhi
PB  - Oxonian Press
KW  - Mining and civil Engineering
ER  -