| Translated title | Red stains on gold coins and possibility of their gentle removal |
|---|---|
| Authors | Jaromír Wasserbauer, Lukáš Kalina, Martin Zmrzlý, Lukáš Richtera |
| Published in | Numismatické Listy, 2012/3 (2012) |
| Pages | 99-107 (9 pages) |
| Number | N# L114738 |
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