1. S L Tabor, P D Cottle, J W Holcomb, T D Johnson, P C Womble, S G Buccino and F E Durham,Phys. Rev. C41, 2658 (1990)
2. C J Lister, P J Ennis, A A Chisti, B J Varley, W Gelletly, H G Price and A N James,Phys. Rev. C42, R1191 (1990)
3. C J Listeret al, Phys. Rev. Lett. 59, 1270 (1987)
4. G N Sylvanet al, Phys. Rev. C56, 772 (1996)
5. T D Johnson, J W Holcomb, P C Womble, P D Cottle, S L Tabor, F E Durham, S G Buccino and M Matsuzaki,Phys. Rev. C42, 2418 (1990)