Performance Prediction of Tennis Rackets with Different Materials of the Wood and  the Super-light/High-Rigidity Composite
(Mechanism of the Difference in terms of the Post-impact Ball Velocity)

Yoshihiko KAWAZOE,
A New Perceptive in Advancement of Materials – Keys to the 21st Century -, Society for the Advancement of materials and process Engineering, pp.783-786. (1999)