Ward-Smith, A. J. (1986). "Altitude and wind effects on long jump performance with particular reference to the world record established by Bob Beamon". Journal of Sports Sciences. 4 (2): 89–99. doi:10.1080/02640418608732104. PMID3586109.
Ward-Smith, A. J. (1986). "Altitude and wind effects on long jump performance with particular reference to the world record established by Bob Beamon". Journal of Sports Sciences. 4 (2): 89–99. doi:10.1080/02640418608732104. PMID3586109.