Autores:Michael I. Luger, Steven Deller, Carol S. Armstrong, Stephen H. Karlson, Robert Cervero, Joseph Persky, F. Frederic Deng, Darel E. Paul, C. Cindy Fan, Daniel Felsenstein, Priscilla Pue Ho Chu, Anthony Downs, Meric S. Gertler, Holger Görg, Peter Schaeffer, Nancy H. Mantell, Tassilo Herrschel, Jacob L. Vigdor, Virginia Carlson