Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 256 - 261 vol.1
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 288 - 292 vol.1
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 277 - 281 vol.1
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 324 - 327 vol.1
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 218 - 223 vol.1