| article html file updated | 29 August 2025 22:46 CEST | Update | https://www.mdpi.com/1420-3049/21/3/239 |
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| article html file updated | 31 March 2016 02:44 CEST | Original file | N/A |
| article pdf uploaded. | 27 February 2016 11:48 CET | Updated version of record | https://www.mdpi.com/1420-3049/21/3/239/pdf |
| article xml uploaded. | 27 February 2016 11:48 CET | Update | https://www.mdpi.com/1420-3049/21/3/239/xml |
| article pdf uploaded. | 27 February 2016 11:42 CET | Version of Record | N/A |
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