| article html file updated | 29 August 2025 20:23 CEST | Update | https://www.mdpi.com/2220-9964/1/1/69 |
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| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/2220-9964/1/1/69/xml |
| article html file updated | 7 February 2013 12:33 CET | Update | N/A |
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| article html file updated | 23 January 2013 18:35 CET | Original file | N/A |
