00816nam0-22003011i-450-99000371499040332120001010000371499FED01000371499(Aleph)000371499FED0100037149920000920d1966----km-y0itay50------baitay-------001yyQuantification of road user savingsJan De WeillePrima edizioneU.S.A.B.I.R.S.196692p.23cmWorld Bank staff occasional papers2De Weille ,Jan140939ITUNINARICAUNIMARCBK990003714990403321R1-R4.74DECTSDECTSQuantification of road user savings500565UNINAING01