000 00300nam a2200121Ia 4500
008 220201s1963 xx 000 0 eng d
082 _a385
_bBON
100 _aBonavia (Michael Reference ) .
245 0 _aEconomics of transport .
260 _bDigswell place .
_c1963
300 _a219p.
942 _2ddc
999 _c3734
_d3734