Kousuke Shinoda Itsuki Noda Masayuki Ohta Yoichiro Kumada Hideyuki Nakashima Is Dial-a-Ride Bus Reasonable in Large Scale Towns? Evaluation of Usability of Dial-a-Ride Systems by Simulation. 105-119 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3012&spage=105 2003 conf/mamus/2003 MAMUS db/conf/mamus/mamus2003.html#ShinodaNOKN03