| article html file updated | 5 February 2020 19:33 CET | Update | https://www.mdpi.com/1422-0067/13/3/2590 |
| article html file updated | 8 May 2019 20:05 CEST | Update | N/A |
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| article html file updated | 16 June 2015 21:58 CEST | Update | N/A |
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| article xml uploaded. | 25 January 2013 16:02 CET | Original file | https://www.mdpi.com/1422-0067/13/3/2590/xml |
| article html file updated | 23 January 2013 10:59 CET | Original file | N/A |
