| 000 | 00342nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 190711s9999 xx 000 0 und d | ||
| 082 | _a624.1906 I39 | ||
| 100 | _aGEOLOGICAL SOCIETY OF INDIA | ||
| 245 | 0 | _aSEMINAR ON ENGINEERING AND GEOLOGICAL PROBLEMS IN TUNNELLING OCTOBER 22-23, 1971 | |
| 260 |
_aCALCUTTA _bI.S.E.G _c1971 |
||
| 942 |
_cBK _2DDC |
||
| 999 |
_c16740 _d16740 |
||