000 | 00673 a2200265 4500 | ||
---|---|---|---|
001 | 7359 | ||
020 | _a0 | ||
041 | _aeng | ||
080 | _a624.19 Int:72 | ||
245 | _aInternational symposium on underground openings = Internationales symposium fur untertagbau : proceedings, Lucerne, Sept. 11-14, 1972 / edited by H. Grob and K. Kovari | ||
250 | _a | ||
260 | _aZurich | ||
260 | _b: Swiss Soc. for Soil Mech. & Found. Engg., | ||
260 | _c | ||
300 | _a573 p. | ||
300 | _c24 cm | ||
490 | _a | ||
100 | _a | ||
700 | _a | ||
650 | _a | ||
650 | _aUnderground construction-Congresses | ||
650 | _aTunneling-Congresses | ||
942 | _cBK | ||
942 | _2UDC | ||
999 |
_c8962 _d8962 |