| Eleventh Congress and General Assembly of the IUCr |
1978 |
| 2nd Symposium on Organic Crystal Chemistry |
1978 |
| 1st Symposium on Organic Crystal Chemistry |
1977 |
| 5th Polish Summer School on X-ray Crystallography |
1976 |
| 4th Polish Summer School on X-ray Crystallography |
1974 |
| 3rd Polish Summer School on X-ray Crystallography |
1972 |
| 2nd Polish Summer School on X-ray Crystallography |
1970 |
| 1st Polish Summer School on X-ray Crystallography |
1967 |
Poland