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  1.  14
    Ethiek En Milieu-Ethiek.D. F. Scheltens - 1998 - Bijdragen 59 (3):291-314.
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  2.  17
    The Social Contract and the Principal of Law.D. F. Scheltens - 1977 - International Philosophical Quarterly 17 (3):317-338.
  3.  11
    Ethiek En Milieu-Ethiek.D. F. Scheltens - 1998 - Bijdragen 59 (3):291-314.
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  4.  17
    Contingency and the Proof for the Existence of God.D. F. Scheltens - 1972 - International Philosophical Quarterly 12 (4):572-586.