Torstein Eckhoff, Jan E. Helgesen

Universitetsforlaget c2001 5. utg

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edited by Allan Rosas and Jan Helgesen ; with the collaboration of Diane Goodman

Martinus Nijhoff c1992 International studies in human rights v. 25

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Asbjørn Eide and Jan Helgesen (eds.) ; with the collaboration of Theresa Swinehart

Norwegian University Press c1991

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edited by Allan Rosas and Jan Helgesen ; with the collaboration of Donna Gomien

Pinter Publishers c1990

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