Barnes , Gary Russell <br/><br/>
The values of waiting time and a seat on the bus :  some evidence from Singapore  [microform] / 
Gary Russell Barnes 
 - Ann Arbor, Mich. :  University Microfilms International,  1995 
 - 1 microfisches ;  11x 15 cm. 
<br/><br/>Thesis (Ph.D) - University of Minnesota , 1995