Search Results - Liu, Zhi 1961-

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  1. 1

    Vehicles, roads, and road use alternative empirical specifications by Ingram, Gregory K.

    Published 1998
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  2. 2

    Determinants of motorization and road provision by Ingram, Gregory K.

    Published 1999
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  3. 3

    Motorization and the provision of roads in countries and cities by Ingram, Gregory K.

    Published 1997
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