000 | 00379nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 240220s9999 xx 000 0 und d | ||
041 | _aENG | ||
100 | _aPokrovsky N. M. | ||
245 | 0 | _aDriving horizontal workings and tunnels | |
260 | _aMoscow | ||
260 | _bMir Publishers | ||
260 | _c1980 | ||
300 | _a421p. | ||
365 | _b0 | ||
650 | _aMATHEMATICS | ||
942 | _cDBK | ||
999 |
_c16864 _d16864 |