@misc{_Photon,
 howpublished={online},
 publisher={Hamburger Synchrotronstrahlungslabor HASYLAB ; Research Centre of the Helmholtz Association},
 language={eng},
 title={Photon science ; HASYLAB},
 type={strona naukowa},
 keywords={HASYLAB, DESY, promieniowanie synchrotronowe, DORIS, PETRA},
}