@incollection {D:kloof, title = {Over de kloof tussen feit en norm, bekeken vanuit de hedendaagse wetenschapsfilosofie}, booktitle = {Dwarsdenken. Omtrent {J}aap {K}ruithof}, year = {1989}, pages = {165{\textendash}177}, publisher = {EPO}, author = {Batens, Diderik}, editor = {Van den Enden, Hugo} }