Radon: Chemical and physical states of radon progeny. Final technical report
Radon: Chemical and physical states of radon progeny. Final technical report, report, December 31, 1996; University Park, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc683587/: accessed May 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.