5A MARK WILLIAMS, THOMAS REILLY. Science and soccer [EB/OL]. www. jayhawkspirit, com. on 22 June 2006.
6ANGELA ABBOTT, DAVE COLLINS. A theoretical and empirical analysis of a‘State of the Art’talent Identification model [J]. High Ability Stud,2002,13(2) : 101 105.
7BARNSLEY R H,THOMPSON A H,BARNSLEY P E. Hockey success and birthdate: The relative age effect[J].J Can Asso Health, Phy Edu Rec, 1985,51 : 23-28.
8BARNSLEY R H, THOMPSON A H. Birthdate and success in minor hockey:The key to the NHL[J]. Can J Behavioral Sci, 1988,20:167-176.
9BARNSELEY R H, THOMPSON, LEGAULT P. Family plan ning: footballstyle. The relative age effect in football[J]. Int Rev Soc Sport,1992,27:77-87.
10BALL J F, MASSEY A, DEXTER T. Birthdate and ratings of sporting achievement: analysis of physical education GCSE re sults[J].Eur J Phy Edu, 1997,2(2) :160-166.