University of Banja Luka
Faculty of Mechanical Engineering
Vojvode Stepe Stepanovića 71
78000 Banja Luka
Republic of Srpska
Bosnia and Herzegovina 

Phone: + 387 (0)51 433 001
Fax: + 387 (0)51 465 085 

E-mail: demi@unibl.rs 
http://www.demi.rs.ba

Date: 15.12.2016.