Development of the method of direct temperature measurement for gear cutting of cylindrical gears by hob milling - Sandra Sovilj-Nikić; Bogdan Sovilj; Dušan Ješić; Vladimir Blanuša; Vladimir M. Tonkonogyy; Liubov Bovnegra (Annals of the Oradea University: Fascicle Management and Technological Engineering, 2018)