Wallace, Rebecca M.M.
International law : a student introduction
Sweet & Maxwell, 1992
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Klabbers, Jan
An introduction to international institutional law
Cambridge University Press, 2002
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Starke, J.G.
An introduction to international law
Butterworth , 1958
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Starke, J.G.
An introduction to international law
Butterworth, 1977
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Klabbers, Jan
An introduction to international institutional law
Cambridge University Press, 2009
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