| article html file updated | 30 August 2025 04:29 CEST | Update | https://www.mdpi.com/2073-445X/7/2/75 | 
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| article pdf uploaded. | 12 June 2018 14:12 CEST | Version of Record | https://www.mdpi.com/2073-445X/7/2/75/pdf | 
| article xml uploaded. | 12 June 2018 14:12 CEST | Update | https://www.mdpi.com/2073-445X/7/2/75/xml | 
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