1. The Prevention of Spontaneous Combustion in Back-Filled Waste Material at Grootegeluk Mine;Adamski,2003
2. Standard Practice for Proximate Analysis for Coal and Coke;ASTM Standard D 3172-07,2003
3. Standard Test Method for Moisture in the Analysis Sample for Coal and Coke;ASTM Standard D 3173-03,2003
4. Standard Test Method for Ash in the Analysis Sample for Coal and Coke from Coal;ASTM Standard D 3174-04,2003
5. Standard Test Method for Ultimate Analysis for Coal and Coke;ASTM Standard D 3176-89,2002