Verlag Verlag Günter MainzEugène van Gelderen × Philosophical Artualistic Differences of Investigation & Learning over Three Languages Eugène van GelderenVerlag Günter MainzTaschenbuch2001 Philosophical Artualistic Differences of Investigation & Learning over Three Languages Eugène van GelderenVerlag Günter MainzTaschenbuch2001 Philosophical Artualistic Differences of Investigation & Learning over Three Languages / Philosophical Artualistic Diffe Eugène van GelderenVerlag Günter MainzTaschenbuch2001 An introduction to the philosophical artualism in a stage of development Eugène van GelderenVerlag Günter MainzTaschenbuch2000