(United States)J.H.Pickering;by (United Kingdom)Mary Rohrberger; (United States)J.Riss Fang;by (United Kingdom)R.Prytherch; (United States)C.V.Palisca;by (United Kingdom)M.Ravel; (United States)ASTM commi;by (United Kingdom)Rayner Joel; (United States)B.S.Wynar;by (United Kingdom)R.L.Purdy; (United States)H.J.Butcher;by (United Kingdom)E.Dejnozka; (United States)J.H.Pickering; (United States)J.H.Pickering; (United States)J.M.Burgers;by (United Kingdom)D.E.Edmunds; (United States)C.Laird;by (United Kingdom)R.Dhillon; (United States)D.B.Guralnik;by (United Kingdom)J.Whitcut;