TY  - BOOK
AU  - _Robert L. Goldstein 
TI  - _Aerobics instructor manual The resorce for fitness proffessionals Richard T.Cotton 
SN  - 961816139
AV  - RA781.15 .A35 1993  
CY  - San Diego Amerivan Council on Exercise 1993 
KW  - _Aerobic exercise
N1  - Includes index.; Includes index.
ER  -