Siminovitch, Michael; Page, Erik & Driscoll, Debbie. Energy efficient torchieres: From the Laboratory to the marketplace, article, April 1, 1998; (https://digital.library.unt.edu/ark:/67531/metadc743324/m1/1/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .