C.L.Morris1,J.F.Amann1,S.J.Seestrom-Morris1,J.A.Mcgill2, C.Glashausser2,K.Jones2,S.Nanda2,M.Barlett3, G.W.Hoffmann3,C.Milner3,C.F.Moore3,J.R.Comfort4, L.C.Bland5,R.Gilman5 Los Alamos National Laboratory, NM1 Rutgers University, New Brunswick, NJ2 University of Texas, Austin, TX3 Arizona State University, Tempe, AZ4 University of Pennsylvania, Philadelphia, PA5
Physics Letters,Section B123(1983)37