00290nam a2200121Ia 450000500170000008000110001710000230002824500640005126000090011558300210012494200060014599900170015120260716044019.0  aSerial  aCosgrove, Sarah B.  aThe External congestion costs of differential vehicle sizes  c2012  c2/15/12kSANDRAW  cA  c58713d58713