| article html file updated | 23 September 2021 08:42 CEST | Update | https://www.mdpi.com/1424-8247/3/1/237 |
| article html file updated | 16 June 2015 07:58 CEST | Update | N/A |
| article html file updated | 28 April 2014 11:00 CEST | Update | N/A |
| article xml file uploaded | 28 April 2014 11:00 CEST | Original file | https://www.mdpi.com/1424-8247/3/1/237/xml |
| article html file updated | 6 February 2013 16:23 CET | Update | N/A |
| article html file updated | 5 February 2013 20:32 CET | Update | N/A |
| article html file updated | 28 January 2013 18:09 CET | Update | N/A |
| article html file updated | 25 January 2013 20:46 CET | Update | N/A |
| article html file updated | 21 January 2013 19:35 CET | Update | N/A |
| article html file updated | 18 January 2013 01:36 CET | Original file | N/A |
