TY  - BOOK
AU  - Christina Robert W Ed.
AU  -  Eckert Helen M Ed.
TI  - Enhancing human performance in sport :  New concepts and developments
T2  - American academy of Physical education paper; 25
U1  - MY, N2 
PY  - 1992///
CY  - England
PB  - Human Kinetics books      
KW  - INDUSTRIAL ARTS
ER  -