621.9 Rotary Ultrasonic Machining. vibrationsZvončan, Marek, 1985- Technology, Mechanical and Material Approach on Edgechipping in Rotary Ultrasonic Machining of Alumina. -- 1st ed. -- Köthen : Hochschule Anhalt, 2013. -- 92 p. -- ISBN : 978-3-86011-063-8. Maňková, Ildikó. Neslušan, Miroslav. Zajac, Jozef