Autori:
1. Vladimir Čavić, Banjalučka pivara,
Republic of Srpska, Bosnia and Herzegovina
2. Mirko Dobrnjac, Mašinski fakultet Univerziteta u Banjoj Luci,
Republic of Srpska, Bosnia and Herzegovina
3. Jela Burazer, Institut Goša, Milana Rakića 35, Beograd, Serbia
4. Milan Lečić, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia