| Periodical/Year | 1999 |
| Periodical/Date | September |
| Periodical/Issue | 4 |
| Periodical / Volume | 89 |
| Periodical/Year | 1999 |
| Periodical/Date | June |
| Periodical/Issue | 3 |
| Periodical / Volume | 89 |
| Periodical/Year | 1999 |
| Periodical/Date | May |
| Periodical/Issue | 2 |
| Periodical / Volume | 89 |
| Periodical/Year | 1999 |
| Periodical/Date | March |
| Periodical/Issue | 1 |
| Periodical / Volume | 89 |
| Periodical/Year | 1999 |
| Periodical/Date | September |
| Periodical/Issue | 3 |
| Periodical / Volume | 37 |
| Periodical/Year | 1999 |
| Periodical/Date | March |
| Periodical/Issue | 1 |
| Periodical / Volume | 37 |
| Periodical/Year | 1999 |
| Periodical/Date | December |
| Periodical/Issue | 4 |
| Periodical / Volume | 37 |
| Periodical/Year | 1999 |
| Periodical/Date | December |
| Periodical/Issue | 5 |
| Periodical / Volume | 89 |
| Periodical/Year | 1988 |
| Periodical/Date | December |
| Periodical/Issue | 5 |
| Periodical / Volume | 78 |
| Periodical/Year | 1987 |
| Periodical/Date | December |
| Periodical/Issue | 5 |
| Periodical / Volume | 77 |
| Periodical/Year | 1986 |
| Periodical/Date | March |
| Periodical/Issue | 1 |
| Periodical / Volume | 76 |
