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2. Petrographic maturity parameters of a devonian shale maturation series, appalachian basin, USA. ICCP thermal indices working group interlaboratory exercise;Araujo;Int. J. Coal Geol.,2014
3. Interlaboratory studies on thermal indices of torbanite samples from Australia;Araujo,2002
4. Standard Test Methods for Sulfur in the Analysis Sample of Coal and Coke Using High-temperature Tube Furnace Combustion Methods;ASTM Standard D4239-08,2008
5. Standard Test Method for Microscopical Determination of Reflectance of Vitrinite Dispersed in Sedimentary Rocks;ASTM Standard D7708,2014