1. Fickinger, A. E.Master of Science Thesis,The University of Pennsylvania State University,University Park, 2000.
2. Escallón, M. M.Master of Science Thesis,The Pennsylvania State University,University Park, 2004.
3. Laboratory-Scale Coking of Coal−Petroleum Mixtures in Sealed Reactors
4. Delayed Coking of Decant Oil and Coal in a Laboratory-Scale Coking Unit
5. Escallón, M. M.Ph.D. Dissertation,The Pennsylvania State University,University Park, 2008.