URN:NBN:SI:doc-RQHWL5DW2023Čopar, SimonStergar, Joštdocuments/doc/R/URN_NBN_SI_doc-RQHWL5DW_001.pdfdocuments/doc/R/URN_NBN_SI_doc-RQHWL5DW_001.txt506articlestr. 12-150351-6652154883331URN:NBN:SI:doc-RQHWL5DWslvDMFA-založništvoPresekInCbarvna temperaturaLED svetilaPlanckov zakonStefanov zakonŽarnice in Stefanov zakon