| article html file updated | 14 August 2026 13:11 CEST | Update | https://www.mdpi.com/1422-0067/18/4/712 |
| article html file updated | 8 February 2020 02:19 CET | Update | N/A |
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| article html file updated | 27 March 2017 11:22 CEST | Original file | N/A |
| article xml uploaded. | 27 March 2017 11:20 CEST | Original file | https://www.mdpi.com/1422-0067/18/4/712/xml |
| article pdf uploaded. | 27 March 2017 11:20 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/712/pdf |
