by (United States)Robert D.Smith;by (United States)Bradley R.Schiller; by (United States)Bradley R.Schiller;by (United States)Bradley R.Schiller; by (United States)James W.Vander Zanden;by (United States)Bradley R.Schiller; by (United States)Robert Diyami;by (United States)R.Baylor...et al; by (United States)Robert Grauer;by (United States)Jeffrey Stipes; by (United States)Robert H.W.;by (United States)Edwin Mansfield; by (United States)Robert J.P.;by (United States)John R.S.[et al by (United States)Robert Seeley;by (United States)Margaret L.Lial; by (United States)Robert J.P.;by (United States)John R.S.[et al]; by (United States)Robert O'Neill;by (United States)R.O'Neill;