DIN V VDE V 0126-18-6:2007 Solar wafers - Part 6: Method for the measuring of substitutional atomic carbon and interstitial oxygen in silicon used for photovoltaic
2009DIN EN 50513:2009 Solar wafers - Data sheet and product information for crystalline silicon wafers for solar cell manufacturing; German version EN 50513:2009
2007DIN V VDE V 0126-18-6:2007 Solar wafers - Part 6: Method for the measuring of substitutional atomic carbon and interstitial oxygen in silicon used for photovoltaic