Preparation and Properties of PbS x Sel - x Thin Flims and PbSx Sel-x Si Hetrojunctions. http://127.0.0.1/xmlui/handle/123456789/16952 2026-04-18T13:18:57Z 2026-04-18T13:18:57Z Preparation and Properties of PbS x Sel - x Thin Flims and PbSx Sel-x Si Hetrojunctions. Sarma, Yerramilli S http://127.0.0.1/xmlui/handle/123456789/16953 2026-02-02T05:09:04Z 1984-08-01T00:00:00Z Preparation and Properties of PbS x Sel - x Thin Flims and PbSx Sel-x Si Hetrojunctions. Sarma, Yerramilli S 1984-08-01T00:00:00Z