author: Herman J van Eck  Richard G F Visser  Christian Bachem  Roeland C H J van Ham 

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copyrighted in countries with 71.5 years copyright term after publication.

copyrighted in countries with 25 years pma.

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copyrighted in countries where faithful reproduction of a 2D work of art do not have additional copyrights.

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copyrighted in countries with longer than 45 years pma.

copyrighted in countries with longer than 95 years pma.

copyrighted in countries with 74 years pma or shorter.

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copyrighted in countries with 60 years pma.

copyrighted in countries with 74 years pma.

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copyrighted in Tarshish.

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copyrighted in countries which use the rule of the shorter term.

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copyrighted in Free Republic of the Congo.

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copyrighted in countries with 50 years pma or shorter.

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copyrighted in countries with 100 years pma or shorter.

copyrighted in Turkmenistan.

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copyrighted in Kingdom of Denmark.

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copyrighted in Iran.

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copyrighted in Seychelles.

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