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Optical control of colour deviation due to ink showing through on the banknote reverse on multitoned watermarks.
- Source :
- Proceedings of SPIE; 4/3/2022, Vol. 12126, p121261R-121261R-7, 1p
- Publication Year :
- 2022
Details
- Language :
- English
- ISSN :
- 0277786X
- Volume :
- 12126
- Database :
- Complementary Index
- Journal :
- Proceedings of SPIE
- Publication Type :
- Conference
- Accession number :
- 155082146
- Full Text :
- https://doi.org/10.1117/12.2615968