edit by Martin H. Manser and Nigel D. Turton Martin H. Manser and Nigel D. Turton edit by Martin H. Manser et al. edit by Patricia K. Wermer and John P. Nelson edit by Alton L. Raygor and Robin D. Raygor edit by J. B. Heaton and N. D. Turton edit by P. L. Sandler and C. L. Stott edit by Rita G. Lerner and George L. Trigg edit by Ronald Carter and Micbael N. Long edit by Y. K. Cheung and S. G. Hutton