| article html file updated | 29 August 2025 22:47 CEST | Update | https://www.mdpi.com/1420-3049/21/3/305 |
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| article pdf uploaded. | 3 March 2016 09:42 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/305/pdf |
| article xml uploaded. | 3 March 2016 09:42 CET | Original file | https://www.mdpi.com/1420-3049/21/3/305/xml |
