%0 Journal Article %T Signal Types Investigation for Harmonic Modulation in Drives %A Peter Hauptle %A Peter Hubinsky %A Boris Rudolf %A Gerhard Gruhler %J Lecture Notes in Engineering and Computer Science %D 2011 %I Newswood and International Association of Engineers %U http://www.iaeng.org/publication/WCECS2011/WCECS2011_pp951-955.pdf