by (United States)Robert N.Lussier;by (United States)Richard Johnsonbaugh; by (United States)Robert A.Baron; (United States)Richard ab; by (United States)Roger L.Freeman;by (United States)Richard Lingeman; by (United States)David V.Ragone;by (United States)Richmond E.Johnson; by (United States)N.Gary Lane;by (United States)Richard L.Daft; by (United States)Robert L.H.;by (United States)Edward J.W.; by (United States)Robert E.Swindle;by (United States)John Algeo; by (United States)Robert Nicholson;by (United States)Robert G.Sanom; by (United States)Roger L.M.;by (United States)Richard G.L....[et al. by (United States)James D.Hart; (United States)Richard J.Light;