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- International system for classifying brown coals and lignites and its application to American coals
- Sulfur in lignite :form and transformations on thermal treatment
- Leonardite :a lignite byproduct
- Pulverizing lignite in a North Dakota powerplant
- Extracting neutral low-temperature lignite tar fractions with dipropionitrile solvents
- Low-temperature carbonization of lignite and subbituminous coal :effect of hydrogen atmosphere to 1,000 pounds pressure
- Effects of in-the-mill drying on pulverizing characteristics of lignite
- Iron ore pellet binders from lignite deposits
- Freezeproofing lignite
- Phthalic and maleic anhydrides from low-temperature lignite tar
- Pulverizing lignite in a ball mill
- Analysis of the northern Great Plains province lignites and their ash :a study of variability
- Application of statistical response surface fitting in predicting lignite properties