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 |