P.Ramakrishnan1,2,G.E.Mitchell1,2,E.G.Bilpuch3, J.F.Shriner Jr.3,4,C.R.Westerfeldt3 University of North Carolina, Chapel Hill, NC1 Triangle Universities Nuclear Lab., Durham, NC2 Duke University, Durham, NC3
Zeitschrift fuer Physik, Section A319(1984)315