| 000 | 00363nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 230711s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aENG | ||
| 082 |
_a624 _bGU-R |
||
| 100 | _aGupta,B.L | ||
| 245 | 0 | _aRoad railway and bridge tunnels | |
| 250 | _a1st | ||
| 260 |
_c1986 _aNew Delhi _bStandard Publishing Distributors |
||
| 650 | _aCivil Engineering | ||
| 942 | _cBK | ||
| 999 |
_c429 _d429 |
||