| Periodical/Year | 1990 |
| Periodical/Issue | s. [ 3, 4 ] |
| Periodical / Volume | 15 |
| Periodical/Year | 1989 |
| Periodical/Issue | s. [ 1, 2 ] |
| Periodical / Volume | 15 |
| Periodical/Year | 1988 |
| Periodical/Issue | s.[3, 4 ] |
| Periodical / Volume | 14 |
| Periodical/Year | 1987 |
| Periodical/Issue | s. [1,2. ] |
| Periodical / Volume | 14 |
| Periodical/Year | 1986 |
| Periodical/Issue | s. [3- ] |
| Periodical / Volume | 13 |
| Periodical/Year | 1985 |
| Periodical/Issue | 12 [ 4 ],13(1,2) |
| Periodical / Volume | 12,13 |
| Periodical/Year | 1984 |
| Periodical/Issue | s. [2 ] |
| Periodical / Volume | XII |
| Periodical/Year | 1981 |
| Periodical/Issue | s. [ 1, 2 ] |
| Periodical / Volume | X1 |
| Periodical/Year | 1976 |
| Periodical/Issue | S. [ 3, 4 ] |
| Periodical / Volume | VIII |
