@misc{Papagiannis_Michael_Demetrius_(1932-_)._Bioastronomy,
 author={Papagiannis, Michael Demetrius (1932- ).},
 howpublished={online},
 publisher={UMCS},
 language={eng},
 type={artykuł},
 title={Bioastronomy : The search for extraterrestrial life past efforts and future plans},
 keywords={Egzobiologia.},
}