Heidelberg ; Berlin : Springer
| Archivage | Début | Fin |
|---|---|---|
| CLOCKSS Archive | 1996 | 1996 |
| Internet Archive | 1979 | 1997 |
| Internet Archive | 1980 | 1988 |
| LOCKSS Archive | 1979 | 1997 |
| National Library of the Netherlands | 1997 | 1997 |
| Portico | 1984 | 1984 |
| Portico | 1987 | 1987 |
| Portico | 1989 | 1989 |
| Portico | 1992 | 1992 |
| Portico | 1995 | 1996 |
| Portico | 1997 | 1997 |
| Scholars Portal | 1995 | 1997 |