000 | 00508 a2200181 4500 | ||
---|---|---|---|
005 | 20201217171010.0 | ||
008 | 201217b xxu||||| |||| 00| 0 eng d | ||
040 | _cIIT Kanpur | ||
041 | _aeng | ||
082 |
_a624.193 _bAu78 |
||
245 | 1 | _aFourth australian tunnelling conference. | |
260 |
_bAustralian Institute Mining And Metallurgy _c1981 |
||
300 | _a389p | ||
650 | _aTunnels -- Congresses | ||
650 | _aRock -- Drills -- Congresses | ||
650 | _aRailroad Tunnels -- Congresses | ||
942 | _cBK | ||
999 |
_c464803 _d464803 |