APA: 
Črnko, Josip (1992). The  dependence of the heat energy consumption upon the working intensity and the isolation maintenance of a pusher-type furnace. 
Kovine zlitine tehnologije, letnik 26, številka 4, str. 329-331. 
URN:NBN:SI:DOC-0N7RDOSP from http://www.dlib.si
MLA: 
Črnko, Josip. "The  dependence of the heat energy consumption upon the working intensity and the isolation maintenance of a pusher-type furnace." 
Kovine zlitine tehnologije letnik 26. številka 4 (1992) str. 329-331.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-0N7RDOSP>