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Google圖書搜尋
A Perturbation Model for Congested an Doverload Transportation Networks by M.Ramsay Wigan and T.J.G.Bamford
M. Ramsay Wigan
出版
TRRL
, 1971
URL
http://books.google.com.hk/books?id=S9YgyAEACAAJ&hl=&source=gbs_api