000 00394cam a22001337a 4500
008 180718b1991 xxu||||| |||| 00| 0 eng d
082 _aAPPPA 90-91 AGA
100 _aAgarwal, B.S.
245 _aRailway track: scenario 2001AD
_cby B.S. Agarwal
260 _aNew Delhi
_bIndian Instiute of Public Administration
_c1991
300 _a72p.
650 _aTrack maintenance
650 _aRailway track
999 _c501557
_d501557