1. D-2013-86 (2004): Preparation of Coal Samples for Analysis 5.05;American Society for Testing and Materials,2004
2. D-2797-85 (1999): Preparing Coal Samples for Microscopical Determination 5.05;American Society for Testing and Materials,2004
3. D 2799-99: Standard Test Method for Microscopical Determination of Volume Percent of Physical Components for Coal 5.05;American Society for Testing and Materials,2004
4. Stratigraphic framework of the lower Pennsylvanian Lee and Pochahontas Formations in southwestern Virginia: evidence for contemporaneous trunk and tributary river systems;Bodek,2005
5. Soil Chemistry;Bohn,2002