TY  - BOOK
AU  - APPONZELLER
TI  - Health aspects of ondurance training
U1  - 613.7 A62H 
PY  - 1978///
PB  - Basel
KW  - PHYSICAL FITNESS -- CONGRESSES
KW  - PHYSICAL ENDURANCE -- CONGRESSES
KW  - RUNING -- CONGRRESSES
ER  -