| article html file updated | 5 February 2020 09:31 CET | Update | https://www.mdpi.com/1422-0067/8/3/229 |
| article html file updated | 9 May 2019 17:04 CEST | Update | - |
| article html file updated | 19 March 2019 12:32 CET | Update | - |
| article html file updated | 14 August 2014 11:43 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:43 CEST | Update | https://www.mdpi.com/1422-0067/8/3/229/xml |
| article html file updated | 14 August 2014 11:22 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:22 CEST | Update | - |
| article html file updated | 19 July 2013 09:28 CEST | Update | - |
| article xml file uploaded | 19 July 2013 09:28 CEST | Update | - |
| article html file updated | 19 June 2013 12:11 CEST | Original file | - |
| article xml file uploaded | 19 June 2013 12:11 CEST | Original file | - |
