| | | 1990 |
| | | 1990 |
| | | 1990 |
| | | 1990 |
| | Ferrick, D. A.Chan, A.Rahemtulla, A.Widacki, S. M.Xia, M.Broughton, H.Gajewski, D. A.Ballhausen, W.Allison, J. P.Bluestone, J. A.Burki, K.Van Ewijk, W.Mak, T. W. | 1990 |
| | | 1990 |
| | | 1990 |
| | | 1990 |
| | | 1990 |
| | | 1990 |
| | | 1990 |
| | | 1990 |
| | | 1990 |
| | | 1990 |
| | | 1991 |
| | | 1991 |
| | | 1991 |
| | | 1991 |
| | | 1991 |
| | | 1991 |