Buchalla, Harald and Flohr, and Kolev, and Manov, and Pfeiffer, (1995):
Computer aided partial discharge testing of electrical motors and capacitors.
In: Electrical/Electronics Insulations Conference <1995, Chicago>: Proceedings. S. 613-617, [Conference or Workshop Item]

Buchalla, Harald and Flohr, and Pfeiffer, (1995):
Digital partial discharge measuring system with interference recognition.
In: IEEE Conference on Electrical Insulation and Dielectric Phenomena <1995, Virginia Beach, USA>: Proceedings. S. 376-379, [Conference or Workshop Item]