POC-scale testing of oil agglomeration techniques and equipment for fine coal processing: technical progress report no. 3--January 1, 1996-March 31, 1996, report, October 1, 1996; (https://digital.library.unt.edu/ark:/67531/metadc679361/m1/1/: accessed April 16, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .