000 00550 a2200241 4500
001 384096
020 _a0-309-06701-3
041 _aeng
080 _aLTRB TCRP R 71 : 2001
245 _aTrack - related research : vol. - 1 : broken rail detection. Control of wheel rail friction. Wide-gap welding techniques
250 _a
260 _aWashington, D.C.
260 _bTRB
260 _c2001
300 _a117 p.
300 _c28 cm
856 _u
490 _aTRB TCRP R 71 : 2001
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c261402
_d261402