Adelheid Hamacher-Hermes
(1990-1999)
X(1994). Inhalts- oder Umfangslogik?: Die Kontroverse zwischen E. Husserl und A.H. Voigt. Freiburg-München: Alber.
(1991). The debate between Husserl and voigt concerning the logic of content and extensional logic. In A. Tymieniecka (Ed.). The turning points of the new phenomenological era (pp. 529-547). Dordrecht: Kluwer.