TY  - BOOK
AU  - BROER, Marion R
TI  - Efficiency of human movement
U1  - 612.76 B86E 
PY  - 1973///
CY  - Philadelphia
PB  - W.B. Saunders
KW  - MUSCLES
KW  - EXERCISE
KW  - PHYSICAL EDUCATION AND TRAINING
ER  -