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1.
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Buffalo, New York : The Patent and Trademark Office Society, 1983.
English | 47 US |
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2.
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München [Germany] : Mitteilungen der deutschen Patentanwälte, 1983.
German | 43 DE |
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3.
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London [England] : Informa Law, 1988.
English | 53 GB |
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4.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1986.
German | 29 DE |
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5.
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[Place of publication not identified] : : Instituto Nacional Da Propriedade Indust, 1990.
English | INPI.W |
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