= Example of scientific publication by Cz. MORA and A. ZALESKI =
The paper desribes some phenomena occuring in direct-positive photographic emulsions containing silver halide crystals.
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Photography in Philately
A Krzysztof K. Słowiński Collection
= Example of scientific publication by Cz. MORA and A. ZALESKI =
The paper desribes some phenomena occuring in direct-positive photographic emulsions containing silver halide crystals.