Helliar-Symons, R. D., & Irving, A. (1981). Masking of brake lights by high-intensity rear lights in fog. Transport and Road Research Laboratory.
Chicago-viite (17. p.)Helliar-Symons, R. D., ja A. Irving. Masking of Brake Lights by High-intensity Rear Lights in Fog. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
MLA-viite (9. p.)Helliar-Symons, R. D., ja A. Irving. Masking of Brake Lights by High-intensity Rear Lights in Fog. Transport and Road Research Laboratory, 1981.
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