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French | 6A OMPI | Available |
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New York, New York : Copyright Society of the USA, 1973.
Italian | 14 US | Available |
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1975.
German | 28 DE | Available |
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1987.
German | 28 DE | Available |
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Bern [Switzerland] : Staempfli, 1968.
German | N 63 KUM.U |