TY  - BOOK
AU  - Knapp,B., x
AU  - x
TI  - Skill in sport ; : the attainment of proficiency
SN  - x 
U1  - 796/KNS  
PY  - 1966///
CY  - London 
PB  - Routledge 
KW  - Sports
N1  - Includes
ER  -