Photovoltaic Specialists Conference, 1988., Conference Record of the Twentieth IEEE
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 1646 - 1649 vol.2
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 654 - 659 vol.1
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference > 1988 > 1417 - 1421 vol.2