| D. C. Morris, "Embedding hidden indentification codes in digital objects", US Patent 5,530,751, 1996. |
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D. C. Morris, "Embedding hidden indentification codes in digital objects", US Patent 5,530,751, 1996.
No context found.
D. C. Morris, "Embedding hidden indentification codes in digital objects." US Patent 5,530,751, 1996.
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