Axioms 2013, 2(2), 224-270; doi:10.3390/axioms2020224
Notes on Article Versions
| Action | Date | Notes | Link |
|---|---|---|---|
| article pdf uploaded. | 23 May 2013 14:50 CEST | Version of Record | http://www.mdpi.com/2075-1680/2/2/224/pdf |
| article html file updated | 17 December 2016 07:51 CET | Original file | http://www.mdpi.com/2075-1680/2/2/224/html |