TY  - BOOK
AU  - Butt, Dorcas Susan.
TI  - The psychology of sport : the behavior, motivation, personality, and performance of athletes / Dorcas  Susan Butt. - 2nd. ed
SN  - 0442214375
U1  - 796.01 BUT 
CY  - New York : Van Nostrand Reinhold, c1987.
KW  - Sports -- Psychological aspects.               Motivation (Psychology)
ER  -