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Langham, Martin, Hole, Graham, Edwards, Jacqueline and O'Neil, Colin (2002) An analysis of "looked but failed to see" errors involving parked police cars. Ergonomics, 45 (3). pp. 167-185. ISSN 0014-0139
Hole, Graham J, Tyrrell, Lisa and Langham, Martin (1996) Some factors affecting motorcyclists' conspicuity. Ergonomics, 39 (7). pp. 946-965.
Hole, Graham and Tyrell, L (1995) The influence of perceptual 'set' on the detection of motorcyclists using daytime headlights. Ergonomics, 38 (7). pp. 1326-1341. ISSN 00140139