URN:NBN:SI:DOC-OGYK85MJ2018Gašperšič, Jernejdocuments/doc/O/URN_NBN_SI_doc-OGYK85MJ_001.pdfdocuments/doc/O/URN_NBN_SI_doc-OGYK85MJ_001.txt296026624978-961-288-633-2URN:NBN:SI:doc-OGYK85MJengself publishedknjigeInCelektronske knjigeFotoniGravitacijaPhoton and gravity theory