TY - BOOK ID - 131113991 TI - Vehicles, roads, and road use: alternative empirical specifications AU - Ingram, Gregory K. AU - Liu, Zhi PY - 1998 PB - Washington, D.C. DB - UniCat KW - Zonder onderwerpscode UR - https://www.unicat.be/uniCat?func=search&query=sysid:131113991 AB - ER -