Richard W. Bulliet [et al.]. Richard A. Brealey [et al.]. Richard C. Holt ... [et al.]. Richard X. Bailey...[et al.]. Richard P. Barth [et al.]. Richard N. Current ...[et al.]. Richard L. Bean ...[et al.]. Richard A. DeMillo ... [et al.]. Richard N. Current ... [et al.]. Richard C. Foley ...[et al.].