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Hartney, Michael (Nombre personal)
Kelsen, H. General theory of norms, 2011: title page (translated by Michael Hartney)
Kelsen, H. General theory of norms, 1991: title page (translated by Michael Hartney)
Kelsen, H. General theory of norms, 2011: title page (translated by Michael Hartney)
Kelsen, H. General theory of norms, 1991: title page (translated by Michael Hartney)