Walters, A. A. (Alan Arthur), 1926-  Walters, A. A. (Alan Arthur), 1926- <br/><br/>
Cost and scale of bus services / 
prepared by A.A. Walters. 
 - Washington, DC :  World Bank,  1979. 
 - World Bank staff working paper ; no. 325 .
<br/><br/>Bibliography: p. 48-49. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bus lines.