1. American Society for Testing and Materials (ASTM) ASTM D2980-04(2010) Standards Test Method for Volume Weights, Water Holding Capacity, and Air Capacity of Water Saturated Peat Materials;ASTM,2010
2. American Society for Testing and Materials (ASTM), ASTM 5142-09 Standard Test Methods for Proximate Analysis of the Analysis Sample of Coal and Coke by Instrumental Procedures;ASTM,2009
3. American Society for Testing and Materials (ASTM) ASTM D5373-93(2002) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke;ASTM,2002
4. Treatment of an acid soil with bentonite used for wine fining: effects on soil properties and the growth of Lolium multiflorum;Arias-Estévez;J. Agric. Food Chem.,2007
5. Feasibility study of oil recovery from used bleaching earth using waste solvents;Aziz,2001