00283nam a2200097Ia 4500008004100000082001900041100001800060245005400078260004300132300001000175260811b        |||||||| |||| 00| 0 eng d  a309.59bK81.EC  aKolsen, H. M.  aEconomics and control of road-rail competitionb/  aSydney:bSydney University Pressc1968  a182p.