| article html file updated | 24 December 2025 14:00 CET | Update | https://www.mdpi.com/1422-0067/18/2/277 |
| article html file updated | 30 August 2025 00:18 CEST | Update | N/A |
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| article html file updated | 7 February 2020 22:21 CET | Update | N/A |
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| article xml uploaded. | 10 February 2017 03:04 CET | Update | https://www.mdpi.com/1422-0067/18/2/277/xml |
| article html file updated | 4 February 2017 11:54 CET | Original file | N/A |
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| article pdf uploaded. | 4 February 2017 11:53 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/2/277/pdf |
| article pdf uploaded. | 27 January 2017 15:19 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/277/pdf-vor |
