by (United States)M.H.Abrams;by (United Kingdom)P.Harvey; by (United States)P.F.Schewe;by (United Kingdom)J.H.Avery; by (United States)K.Abrahams;by (United Kingdom)B.H.Bransden; by (United States)E.Director;by (United Kingdom)P.Hanks; by (United States)M.C.Hutley;by (United Kingdom)P.Hariharan; by (United States)P.L.Duren;by (United Kingdom)P.Koosis; by (United States)J.H.Tatsch; (United Kingdom)P.Morgan; by (United States)M.Gross;by (United Kingdom)R.Gower; by (United States)L.R.Foulds;by (United Kingdom)P.E.Gill; by (United States)P.Hartman;by (United Kingdom)M.C.Irwin;