| article html file updated | 9 February 2020 05:30 CET | Update | https://www.mdpi.com/1996-1073/11/2/368 |
| article html file updated | 30 September 2019 12:34 CEST | Update | N/A |
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| article xml uploaded. | 4 February 2018 10:16 CET | Update | https://www.mdpi.com/1996-1073/11/2/368/xml |
| article pdf uploaded. | 4 February 2018 10:16 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/368/pdf |
| article html file updated | 4 February 2018 10:13 CET | Original file | N/A |
| article xml uploaded. | 4 February 2018 10:12 CET | Update | N/A |
| article xml uploaded. | 4 February 2018 10:12 CET | Original file | N/A |
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