| article html file updated | 5 February 2020 12:01 CET | Update | https://www.mdpi.com/1422-8599/2003/1/M299 |
| article html file updated | 9 May 2019 12:03 CEST | Update | N/A |
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| article html file updated | 26 September 2017 09:34 CEST | Update | N/A |
| article xml uploaded. | 26 September 2017 09:33 CEST | Update | https://www.mdpi.com/1422-8599/2003/1/M299/xml |
| article html file updated | 21 September 2017 10:39 CEST | Update | N/A |
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| article html file updated | 14 December 2016 08:50 CET | Original file | N/A |
