Hartu hau. : Handbook of Philosophical Logic [electronic resource] / edited by D.M. Gabbay, F. Guenthner.

Izenburua : Handbook of Philosophical Logic [electronic resource] / edited by D.M. Gabbay, F. Guenthner.

Sailkapena : Ez dago telefono-zenbakirik.

Egoera : Ezezaguna