Richard C. Bush and Michael E O'Hanlon Richard Gaines & Michael Segal Richard B. Chase and Nicholas J. Aquilano Richard J. Herring and Richard C. Marston James Steinbeerg and Michael E. O'Hanlon Richard L. Merritt and Elizabeth C. Hanson Richard C. Bush ... [et al.]. Richard R. Nelson and Sidney G. Winter Richard A. Watson, with Michael R. Fitzgerald.