URN:NBN:SI:doc-XZSJH7AG1976Fortuna, Tomaždocuments/doc/X/URN_NBN_SI_doc-XZSJH7AG_001.pdfdocuments/doc/X/URN_NBN_SI_doc-XZSJH7AG_001.txt234articlestr. 150-153str. 83-860351-66526826585URN:NBN:SI:doc-XZSJH7AGslvDruštvo matematikov, fizikov in astronomov SlovenijePresekInC