M.W.Mcnaughton1,B.E.Bonner1,W.D.Cornelius1,E.W.Hoffman1, O.B.Van Dyck1,R.L.York1,R.D.Ransome2,3,C.L.Hollas2, P.J.Riley2,K.Toshioka4 Los Alamos National Laboratory, NM1 University of Texas, Austin, TX2 Argonne National Laboratory, Argonne, IL4
Physical Review, Part C, Nuclear Physics25(1982)1967