A. Contin, and H. Zhu, "An Initial Study on How PD Influences Dissipation Factor Values of a Stator Bar", IEEE Electrical Insulation Magazine, November 2011.

H. Zhu, D. Kung, M. Cowell and S. Cherukupalli, “Acoustic Monitoring Of Stator Winding Delaminations During Thermal Cycling Testing”, IEEE Transactions on Dielectrics and Electrical Insulation,  Vol. 17, No. 5, October 2010.

H. Zhu and C. Morton, and S. Cherukupalli,  “Quality evaluation of stator coils and bars under thermal cycling stress”, IEEE International Symposium on Electrical Insulation, Toronto, Canada, June 2006.

H. Zhu, G. Halldorson, and R. Huber, “Quality Evaluation of Generator and Motor Stator Windings”, 2004 Hydrovision Conference, Montreal, Canada, August 16-20, 2004.