Ringgren, Helmer, 1917-2012
| Personal name | Ringgren, Helmer, 1917-2012 |
| Country | Sweden |
| Language of person/corp. | swe; ger |
| ISNI | 0000 0000 8091 1760 |
| VIAF ID | 12321836 |
| CONOR.SI-ID | 70275427 |
Ringgren, Helmer, 1917-2012
ISNI 0000 0000 8091 1760
VIAF ID 12321836
CONOR.SI-ID=70275427