1. A biomechanical analysis of the tennis serve, examining the effect of altering the foot fault rule;Higgins,1995
2. Is bigger always better?: Should players give the new Wilson Rally ball or Penn oversize a chance?;Winters;Tennis Week,2000
3. Is bigger always better?: Should players give the new Wilson Rally ball or Penn oversize a chance?;Winters;Tennis Week,2000
4. Anyone for slower tennis?;Arthur;New Sci,1992
5. Rules and Regulations of Tennis;International Tennis Federation,2000