URN:NBN:SI:doc-BM9YIY4C1996Strnad, Janezdocuments/doc/B/URN_NBN_SI_doc-BM9YIY4C_001.pdfdocuments/doc/B/URN_NBN_SI_doc-BM9YIY4C_001.txt243articlestr. 130-1340351-66527274841URN:NBN:SI:doc-BM9YIY4CslvDruštvo matematikov, fizikov in astronomov SlovenijePresekInCfizikasvetloba