edit by Alton L. Raygor and Robin D. Raygor Alton L. Raygor, Robin D. Raygor edit by Martin H. Manser and Nigel D. Turton edit by Gordon H. Mills and John A. Walter edit by Nigel D. Turton and Martin H. Manser edit by Norman Coe and Robin Rycroft edit by Rita G. Lerner and George L. Trigg edit by Ronald Carter and Micbael N. Long edit by Milton Abramowitz and Irene A. Stegun edit by Patricia K. Wermer and John P. Nelson