1. PJ Nolan, A Kirwan, DJG Love, AH Nelson, DJ Unwin and PJ Twin, J. Phys. G11 (1985) L17
2. R Wadsworth, A Kirwan, DJG Love, Y-X Luo, J-Q Zhong, PJ Nolan, PJ Bishop, MJ Godfrey, R Hughes, AN James, I Jenkins, SM Mullins, J Simpson, DJ Thornley and KL Ying, J. Phys. G13 (1987) L201
3. EM Beck, FS Stephens, JC Bacelar, MA Delaplanque, RM Diamond, JE Draper, C Duyar and RJ McDonald, Phys. Rev. Lett.58 (1987) 2182and
4. EM Becket al, submitted to Phys. Lett.
5. PJ Nolan, DW Gifford and PJ Twin,Daresbury Annual Report 1984/5 (Nuclear Structure Appendix), p. 104