Robert E. Hoskisson ... [et al.] Robert A. Heineman ... [et al. Robert J. Chaskin ... [et al.] Robert G. Woodmansee ... [et al. Robert B. Handfield ... [et al. Robert C. Carson ... [et al.]. Robert D.Cook ... [et al. Robert J. Boswell ... [et al] Robert C. Reardon ... [et al.]. Robert A. Szymanski ... [et al.].