@misc{Biernat_Elżbieta_Tourist,
 author={Biernat, Elżbieta and Lubowiecki-Vikuk, Adrian P.},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 copyright={Cornetis},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 publisher={Cornetis},
 language={eng},
 type={artykuł},
 title={Tourist activity among urban singles in view of socio-demographic factors},
 keywords={single person, tourist activity, socio-demographic factors},
}