TY  - BOOK
AU  - Murphy Jo
TI  - Keys to fitness over 50
SN  - 0812045149 
AV  - GV481 
U1  - 613.7/0446 
PY  - 1991///
CY  - New York
PB  - Barron's
KW  - Physical fitness
KW  - Physical fitness for middleaged persons
KW  - Exercise for middleaged persons
N1  - Includes index
ER  -