M.A.Nasser1,M.M.Gazzaly1,J.V.Geage1,B.Hoistad1,G.Igo1, J.B.Mcclelland1,A.L.Sagle1,H.Spinka1,J.B.Carroll2, V.Perez-Mendez2,E.T.B.Whipple2 University of California, Los Angeles, CA1 Univ. of Calif. Lawrence Berkeley Lab., Berkeley, CA2
Nuclear Physics, Section A312(1978)209