Converting MSW and Biomass into Fuel for the Hydrogen Highway, W.J. Quapp, PE, Integrated Environmental Technologies, April 30, 2007.

Proposed Plasma Enhanced Melter Hydrogen Production Project, W.J. Quapp, PE, Integrated Environmental Technologies.

Recycling MSW to Renewable Energy Sources, W. J. Quapp, PE, Integrated Environmental Technologies.

General Description of the Plasma Enhanced Melter, W.J. Quapp, PE, Integrated Environmental Technologies, May 2004.