TY  - RPRT
TI  - Competing personal goals and exercise behaviour.
AU  - W A Gebhardt
AU  - S Maes
PY  - 1998
DO  - 10.2466/pms.1998.86.3.755
UR  - https://pubmed.ncbi.nlm.nih.gov/9656267/
ID  - 9656267
ER  -