TY  - BOOK
ED  - Indian Standards Institution                                                                                                                                                                                                                                   . 
TI  - Method for determination of modulus of elasticity and Poisson`s ratio of rock materials in uniaxial compression IS:9221-1979 
U1  - 624.121 
PY  - 1979///
CY  - New Delhi : 
PB  - Indian Standards Institution , 
ER  -