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2.
3.
London [England] : Sweet & Maxwell, 1993.
Fourth edition.
Italian | N 40 PHI.W |
4.
5.
New York, New York : Copyright Society of the USA, 1981.
English | 14 US |
6.
Stockholm [Sweden] : Nordiskt Immateriellt Rättsskydd (NIR), 1992.
English | N 40(413) SE 3 |