| article html file updated | 29 August 2025 22:46 CEST | Update | https://www.mdpi.com/1420-3049/21/3/280 |
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| article html file updated | 31 March 2016 02:48 CEST | Original file | N/A |
| article pdf uploaded. | 27 February 2016 12:34 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/280/pdf |
| article xml uploaded. | 27 February 2016 12:34 CET | Original file | https://www.mdpi.com/1420-3049/21/3/280/xml |
