1. Hamakawa, Y. (1994) First World Conference on Photovoltaic Energy Conversion, IEEE Electron Devices Society (USA), 34–41.
2. Zhao, J., Wang, A., Altermat, P.P., Wenham, S.R., and Green, M.A. (1994) First World Conference on Photovoltaic Energy Conversion, IEEE Electron Devices Society (USA), 1477–1480.
3. Green, M.A. and Emery, K. (1994) Progress in Photovoltaics: Res. and Applic., Vol. 2, 27–34.
4. Basore, P.A. and Gee, J.M. (1994) First World Conference on Photovoltaic Energy Conversion, IEEE Electron Devices Society (USA), 2254–2257.
5. Maycock, P.D. (1994) First World Conference on Photovoltaic Energy Conversion, IEEE Electron Devices Society (USA), 694–699.