00574nam a2200157 a 450000500170000000800410001703500150005805000200007310000180009324501050011126000750021630000120029144000780030365000160038170000190039720260817161830.0                                          a.b10058862  aTE7 R63 no. 933  aWilson, D. G. 0aAge-related differences in the road crossing behaviour of adult pedestrians /b... and G. B. Grayson  aCrowthorne, Berkshire :bTransport and Road Research Laboratory,c1980  a12, 7 p 0aTransport and Road Research Laboratory. TRRL Laboratory report ;vno. 933 0aPedestrians1 aGrayson, G. B.