Photovoltaic Specialists Conference, 1988., Conference Record of the Twentieth IEEE
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 566 - 570 vol.1
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 1367 - 1370 vol.2
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 960 - 963 vol.2