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1.
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[New York City, New York] : [Clark Boardman Callaghan], [1986].
Swiss german | US 87 1986 |
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2.
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Ashland : Century Communications Unlimited, 1972.
English | K 33 CAR.B |
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3.
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[Washington DC, USA] : [Bureau of National Affairs (BNA)], [1988-].
English | 57 US |
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4.
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New York : Clark Boardman Callaghan, 1984-
Second edition.
English | G 41 JAC.P |
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5.
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Alphen aan den Rijn, The Netherlands : Kluwer Law International, 1936-.
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6.
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Washington, D.C. : Bureau of National Affairs, c1988.
Danish | K 110 PIN.P |
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