United States. General Accounting Office
Michigan. Office of the Auditor General.
Kenneth S. Shultz
Abdelsalam A. Helal
R. Salkowitz
Adrian Arnold
Brad Miser
David Prendergast
Neil Charness
Alexander Peine
Karen O'Connor
Workshop on Technology for Adaptive Aging (2003 Washington, D.C.)
Technik, Freundin des Alters (1998 Berlin, Germany)
Sansōken Jeron Tekunorojī Fōramu (2008 Sansōken Rinkai Fukutoshin Sentā)
Vally Behjou
Unknown Author
Carola Schwabe