Doll, Michael L.; Hendrickson, Gerald; Lagos, Gerard; Pylkki, Russell; Christensen, Chris & Cureija, Charlie. An Insulating Glass Knowledge Base, report, August 1, 2005; (https://digital.library.unt.edu/ark:/67531/metadc873952/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .