Search for: [Subject and Keywords = Electronic \- materials] OR [Subject and Keywords = Electronic \- journal \- materials] OR [Subject and Keywords = absorption spectra] OR [Subject and Keywords = LiNbO3\:Er] OR [Subject and Keywords = Materiały elektroniczne] OR [Subject and Keywords = Elektronika \- czasopismo \- materiały] OR [Subject and Keywords = widmo absorpcyjne] OR [Subject and Keywords = LiNbO3\:Er] OR [Title = Badania absorpcji w kryształach niobanu litu domieszkowanego erbem = The absorption spectra of Er3\+ doped LiNbO3 single crystals] OR [Title = Badania absorpcji w kryształach niobanu litu domieszkowanego erbem] OR [Creator = Pracka Izabela] OR [Creator = Pracka Izabela]