000 00497nam a2200145 a 4500
005 20220228110728.0
035 _aF8901000716347
084 _aUIL RS 38 1947
100 _aPeck, Ralph B.
245 _aSecond progress report of the investigation of methods of r-oadbed stabilization / by Ralph B. Peck
260 _aUrbana, Illinois : University of Illinois, Engineering Experiment Station
300 _a55 p.
440 _aReprint series ; no.38
690 _aDurmientes (Ferrocarriles) - Pruebas
999 _c63121
_d63121