| article html file updated | 30 August 2025 02:01 CEST | Update | https://www.mdpi.com/2220-9964/6/12/407 |
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| article xml uploaded. | 20 December 2017 07:41 CET | Update | https://www.mdpi.com/2220-9964/6/12/407/xml |
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| article pdf uploaded. | 20 December 2017 07:41 CET | Version of Record | https://www.mdpi.com/2220-9964/6/12/407/pdf |
