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RecordNumber
30871
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Title
Traffic and grade crossing control devices
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Publication
Transportation research Board
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Publication Year
1989
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Collation
v, 72 p. : ill
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Series
Transportation research record
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Notes
Papers from the 68th Annual Meeting of the Transportation Research Board, Jan. 22-26, 1989, Washington, D.C , Includes bibliographical references , 0309049709
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Subject
Traffic signs and signals , Railroads
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ADDED ENTRIES
, National Research Council (U.S.). Transportation Research Board (68th : 1989 : Washington, D.C.)
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LC Class
TE
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LC Number
7
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LC CutterNumber
.H5
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LC Date
1989
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وارد کنندة اطلاعات
فراهاني
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Link To Document :
