Price-subsidy issues in urban transportation 6 reports ; prepared for the 52nd annual meeting.
مؤلف مشترك: | |
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التنسيق: | كتاب |
اللغة: | English |
منشور في: |
Washington, D.C.
Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences--National Academy of Engineering
1973.
|
سلاسل: | Highway research record
no. 476. |
الموضوعات: |