_:B1aad9105365ae23ced13e36598c0dc96 "Groningen" . _:B1aad9105365ae23ced13e36598c0dc96 . _:Bb60646bfae1ed4ff9d380077aeedf65d "Wolters-Noordhoff" . _:Bb60646bfae1ed4ff9d380077aeedf65d . _:Bf7a87504b50a9bd7b2f273906af17e5b "W.M. Nijkamp" . _:Bf7a87504b50a9bd7b2f273906af17e5b . _:Bfdcf283e952bdb8481c5017937d7db3f . "Varia / W.M. Nijkamp" . _:Bf7a87504b50a9bd7b2f273906af17e5b . . . "nl" . "Varia" . . "9001656722" . _:B69ab57fa53319de41da74a8965d7f206 . "311"^^ . _:B69ab57fa53319de41da74a8965d7f206 "1973"^^ . _:B69ab57fa53319de41da74a8965d7f206 _:B1aad9105365ae23ced13e36598c0dc96 . _:B69ab57fa53319de41da74a8965d7f206 "1971"^^ . _:B69ab57fa53319de41da74a8965d7f206 _:Bb60646bfae1ed4ff9d380077aeedf65d . _:Bfdcf283e952bdb8481c5017937d7db3f . _:Bfdcf283e952bdb8481c5017937d7db3f "2021-10-11"^^ . _:Bfdcf283e952bdb8481c5017937d7db3f "2001-02-24"^^ . _:Bfdcf283e952bdb8481c5017937d7db3f . _:Bfdcf283e952bdb8481c5017937d7db3f . _:Bfdcf283e952bdb8481c5017937d7db3f "213955725" . _:Bfdcf283e952bdb8481c5017937d7db3f . _:Bfdcf283e952bdb8481c5017937d7db3f .