000 | 00433nam a22001697a 4500 | ||
---|---|---|---|
999 |
_c63247 _d63247 |
||
005 | 20210528131324.0 | ||
008 | 201118b ||||| |||| 00| 0 eng d | ||
082 | _a625.7 A2874R | ||
100 | _aAhuja, T. D. | ||
100 | _aBirdi, G S | ||
245 | _aRoads, Railways, Bridges and Tunnel Engineering | ||
260 |
_aDelhi _bStandard Book House _c1980 |
||
300 | _ap.692 | ||
650 | _aRoad Engineering | ||
650 | _aBallast | ||
942 | _cSW |