Principles of Ionization Smoke Detection by Richard Hammer, Charles D. Litton, Henry E. Perlee, John C. Edwards, Aldo L. Furno, Wallace W. Key, Meng-Cherng Sun, George J. Conroy, Fred N. Kissell, Earl L. Phillips, John C. Franklin, Robert F. Chaiken, Ann G. Kim, Thomas O. Meyer, James R. Aggson, M. E. Poad, Martin Hertzberg, David Schlain, John Durkin, Curtis H. Elder, Maurice Deul, Gerald R. Smith, John C. LaScola, Joseph E. Matta, Welby G. Courtney, Gordon H. Dechman, Joseph Cervik, Frank X. McCawley, David R. Forshey, M. C. Irani, Galen G. Waddell, Albert Lynn Johnson, Natesa I. Jayaraman, Albert Sainato, Dennis Grigal, Joseph M. Kutcha, Robert C. Bates