@misc{Bebetsos_Evangelos_Frequency,
 author={Bebetsos, Evangelos and Papaioannou, Athanasios},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 copyright={Cornetis},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 publisher={Cornetis},
 language={eng},
 type={artykuł},
 title={Frequency of exercise among undergraduate students on the basis of the model of stages and processes of change},
 keywords={cognitive-behaviouristic models, cognitive/empirical, behavioural/environmental},
}