Ricki Lewis ... [et al.]. Ricki Lewis ... [et al.] Roy J. Lewicki ... [et al.]. Curtis Bemis ... [et al.] Rich Heimlich ... [et al.]. Roy J. Lewicki...[ et al.]. Roy J. Lewicki ... [et al. Richard B. Rice ... [et al.]. Malcolm Gillis ... [et al.]. G. Ranis ...(et al.)