Neathery, James K.; Jacobs, Gary; Sarkar, Amitava; Crawford, Adam & Davis, Burtron H. Separation of Fischer-Tropsch Wax Products from Ultrafine Iron Catalyst Particles, report, September 30, 2006; (https://digital.library.unt.edu/ark:/67531/metadc878811/m1/1/: accessed January 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .