| Periodical/Year | 1998 |
| Periodical/Date | 1998/9 |
| Periodical/Issue | 9 |
| Periodical / Volume | 65 |
| Periodical/Year | 1998 |
| Periodical/Date | 1998/8 |
| Periodical/Issue | 8 |
| Periodical / Volume | 65 |
| Periodical/Year | 1998 |
| Periodical/Date | 1998/7 |
| Periodical/Issue | 7 |
| Periodical / Volume | 65 |
| Periodical/Year | 1998 |
| Periodical/Date | 1998/6 |
| Periodical/Issue | 6 |
| Periodical / Volume | 65 |
| Periodical/Year | 1997 |
| Periodical/Date | 1997/1-12 |
| Periodical / Volume | 65 |