Media type: E-Article Title: A Definition of Time Contributor: Boyarsky, Abraham; Góra, Paweł imprint: Springer Science and Business Media LLC, 2009 Published in: International Journal of Theoretical Physics Language: English DOI: 10.1007/s10773-009-9931-2 ISSN: 0020-7748; 1572-9575 Keywords: Physics and Astronomy (miscellaneous) ; General Mathematics Origination: Footnote: