Media type: E-Article Title: An Introduction to Commutative Quaternions Contributor: Catoni, Francesco; Cannata, Roberto; Zampetti, Paolo imprint: Springer Science and Business Media LLC, 2006 Published in: Advances in Applied Clifford Algebras Language: English DOI: 10.1007/s00006-006-0002-y ISSN: 0188-7009; 1661-4909 Keywords: Applied Mathematics Origination: Footnote: