KURUC, Marcel et al. Comparison of machining of poly-crystalline cubic boron nitride by rotary ultrasonic machining and laser beam machining in terms of chemical affection. In Automation in production planning and manufacturing : 16th International Scientific Conference for PhD students. 1. vyd. Žilina : Vedecko-technická spoločnosť pri Žilinskej univerzite, 2015, S. 69-74. ISBN 978-80-89276-47-9.