by (United States)J.Davies;by (United States)B.S.Littlewood;by (United Kingdom)J.S.Martin; by (United States)J.Eisen;by (United States)S.Troy;by (United Kingdom)M.Booth; by (United States)G.O.Abell;by (United States)B.Singer;by (United Kingdom)M.Buckby; by (United States)J.Ostrom;by (United States)W.Cook;by (United Kingdom)H.J.Sachs; by (United States)J.L.Matson;by (United States)C.L.Frame;by (United Kingdom)M.Malvey; by (United States)J.M.Cram;by (United States)D.J.Cram;by (United Kingdom)I.L.Finar; by (United States)D.I.Porat;by (United States)A.Barna;by (United Kingdom)J.P.Hawker; by (United States)P.J.Hilton;by (United States)G.Young;by (United Kingdom)J.C.Jaegor; by (United States)B.C.Lipman;by (United States)B.S.Lipman;by (United States)R.C.Bone; by (United States)J.Mehra;by (United Kingdom)J.L.Matin;