1. IEC-904-3, IEC Norm (1989)
2. D.L. Bätzner, A. Romeo, H. Zogg, A.N. Tiwari, Proceedings of the 17th Photovoltaic Solar Energy Conference (2001) 1180
3. J.F Randall, C. Droz, M. Goetz, A. Shah, J. Jacot, Proceedings of the 17th Photovoltaic Solar Energy Conference (2001) 603
4. K. Orgassa, Q. Nguyen, I.M. Koetschau, U. Rau, H.W. Schock, J.H. Werner, Proceedings of the 17th Photovoltaic Solar Energy Conference (2001) 1039
5. S Wenham, M. Green, M. Watt. Applied Photovoltaics, The University of New South Wales