Photovoltaic Specialists Conference, 1988., Conference Record of the Twentieth IEEE
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 1412 - 1416 vol.2
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 738 - 743 vol.1
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 575 - 580 vol.1