1. Ball/racket impact and computer aided design of rackets;Kawazoe;International Journal of Table Tennis Sciences.,1992
2. Frederico Casolo, Guido Ruggieri, Dynamic analysis of the ball-racket impact in the game of tennis, Meccanica, 26, 67-73.
3. Rod Cross, Impact of a ball with a bat or racket, American Journal of Journal, Vol 67, n° 8 (1999), 692-702.
4. Nuno Viriato Marques Ramos, Avaliação do Desempenho Dinâmico das Raquetes de Ténis em Condição de Utilização, Master Degree, FEUP, 2009.
5. Howard Brody, Rod Cross, Crawford Lindsey, The physics and technology of tennis, 2002 USRA, Racquet Tech Publishing.