Media type: E-Article Title: Polymorphic subtyping in O'Haskell Contributor: Nordlander, Johan imprint: Elsevier BV, 2002 Published in: Science of Computer Programming Language: English DOI: 10.1016/s0167-6423(02)00026-6 ISSN: 0167-6423 Keywords: Software Origination: Footnote: Access State: Open Access