@misc{Leszczycki_Stanisław_(1907-1996)_A,
 author={Leszczycki, Stanisław (1907-1996)},
 howpublished={online},
 language={fre},
 type={broszura},
 title={A 50-a Aniversare a Uniunii Internationale de Geografie},
 keywords={International Geographical Union},
}