1. Table of isotopes 8th edn, edited by R B Firestone and V S Shirley (Wiley, New York, 1996)
2. M Sainath, K Venkataramaniah and P C Sood,Phys. Rev. C56, 2468 (1997)
3. U Garg, T P Sjoreen and D B Fossan,Phys. Rev. C19, 207 (1979)
4. D C Palmer, N M Hintz, D Ingham and S Kubono, Report COO-1265-190 (1997) p. 124;Nucl. Data Sheets 72, 553 (1994)
5. Sun Huibin, L Yunzuo, Hu Dailing, Z Jiewen and Li Yuan,Z. Phys. A336, 37 (1990)