TY - ADVS AU - Loehr,James E. ED - Grand Slam Communications. ED - Tennis Videos USA. TI - Mental toughness training for tennis : : Vol. I, the 16-second cure. / U1 - 796.342 CY - Troy, MI : PB - [Distributed by] Tennis Videos USA, 1989. KW - Tennis N2 - Dr. Jim Loehr, sports psychologist, presents his training system for developing mental toughness in tennis: a series of mental exercises to be employed during time between points to improve concentration and emotional response to stress ER -