1. J. Hedström, H. Ohlsén, M. Bodegård, A. Kylner, L. Stolt, D. Hariskos, M. Ruckh, H.-W. Schock, Proc. 23rd IEEE Photovoltaic Specialists Conf., Institute of Electrical and Electronics Engineers, Inc. [1993], p. 364.
2. M. Bodegård, L. Stolt, J. Hedström, Proc. 12th European Photovoltaic Solar Energy Conf., H.S. Stevens and Associates, Bedford, UK, 1994, p. 1743.
3. M. Bodegård, J. Hedström, K. Granath, A. Rockett, L. Stolt, Proc. 13th European Photovoltaic Solar Energy Conf., and Exhibition, H.S. Stevens and Associates, Bedford, UK, 1995, p. 2081.
4. M. Ruckh, D. Schmid, M. Kaiser, R. Schäffler, T. Walter H. W. Schock, Proc. 1st World Conf. on PV Energy Conversion, Institute of Electrical and Electronics Engineers, Inc., 1994, p. 156.