| 000 | 00483nam a2200181Ia 4500 | ||
|---|---|---|---|
| 020 | _a9780750204941 | ||
| 040 | _cPK-LaCSN | ||
| 082 |
_bDUN _a629.23 |
||
| 100 | _aDunn, Andrew | ||
| 245 | 0 | _aTunnels | |
| 260 |
_bWayland _aLondon _c1990 |
||
| 300 | _a32 | ||
| 490 | _aStructures | ||
| 520 | _aExplains tunnel-building methods, looks at various types of tunnels and discusses their uses. | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c243802 _d243802 |
||