Daganzo, Carlos F & Pilachowski, Josh: Reducing bunching with bus-to-bus cooperation (PDF) Institute of Transportation Studies and Department of Civil and Environmental Engineering. Joulukuu 2009. University of California. Arkistoitu 11.6.2010.
Daganzo, Carlos F & Pilachowski, Josh: Reducing bunching with bus-to-bus cooperation (PDF) Institute of Transportation Studies and Department of Civil and Environmental Engineering. Joulukuu 2009. University of California. Arkistoitu 11.6.2010.