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Ivan_p_: NaCl
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Ivan_p_: NaCl
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Ivan_p_: NaCl
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Ivan_p_: copper-iron sulfate
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Ivan_p_: copper-iron sulfate
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Ivan_p_: copper nitrate
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Ivan_p_: copper nitrate
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Ivan_p_: copper nitrate
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Ivan_p_: bismuth
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Ivan_p_: ascorbic acid
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Ivan_p_: ascorbic acid
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Ivan_p_: ascorbic acid
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Ivan_p_: ascorbic acid
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Ivan_p_: ascorbic acid
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Ivan_p_: ascorbic acid
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Ivan_p_: citric acid + urea
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Ivan_p_: citric acid + urea
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Ivan_p_: citric acid + urea
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Ivan_p_: citric acid + urea
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Ivan_p_: citric acid + urea
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Ivan_p_: metol
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Ivan_p_: metol
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Ivan_p_: ferrous chloride
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Ivan_p_: ferrous chloride
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Ivan_p_: ferrous chloride
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Ivan_p_: ascorbic acid
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Ivan_p_: ascorbic acid
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Ivan_p_: ascorbic acid
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Ivan_p_: ascorbic acid
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Ivan_p_: pyrrhotite petroglyph