000 | 00368nam a2200133Ia 4500 | ||
---|---|---|---|
001 | 00523 | ||
008 | 190706s9999 xx 000 0 und d | ||
082 | _a622.2 G873 | ||
100 | _aGROB.H | ||
245 | 0 | _aINTERNATIONAL SYMPOSIUM ON UNDERGROUND OPENINGS LUCERNE (LUCERNE) (1972) | |
260 |
_bSWISS SOCIETY FOR SOIL MECH&F.ENGG. _c1972 |
||
300 | _a25X18 | ||
942 |
_cREF _2DDC |
||
999 |
_c9441 _d9441 |