https://fr.wikipedia.org/wiki/Nicolai_Hartmann
https://www.ontology.co/hartmannn.htm
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-Nicolai Hartmann, New Ways of Ontology,
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-Nicolai Hartmann, Ontology. Laying the Foundations,
https://www.ontology.co/hartmannn.htm
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-Nicolai Hartmann, New Ways of Ontology,
"
-Nicolai Hartmann, Ontology. Laying the Foundations,