Baker, R. (1974). The use of aerial photography for assessing traffic control systems in Glasgow. Transport and Road Research Laboratory.
Chicago-referens (17:e uppl.)Baker, R.T. The Use of Aerial Photography for Assessing Traffic Control Systems in Glasgow. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1974.
MLA-referens (9:e uppl.)Baker, R.T. The Use of Aerial Photography for Assessing Traffic Control Systems in Glasgow. Transport and Road Research Laboratory, 1974.
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