1968 durer29
1968 durer30
1968 durer32
1968 durer50
1970 durer51
1971 brahe18
1971 copernicus133
1971 durer52
1971 galileo23
1971 kepler2
1971 kepler39
1971 leonardo53
1971 newton40
1972 durer31
1972 durer48
1972 durer62
| 1968 durer29 | 1968 durer30 | 1968 durer32 |
| 1968 durer50 | 1970 durer51 | 1971 brahe18 |
| 1971 copernicus133 | 1971 durer52 | 1971 galileo23 |
| 1971 kepler2 | 1971 kepler39 | 1971 leonardo53 |
| 1971 newton40 | 1972 durer31 | 1972 durer48 |
| 1972 durer62 |