| article html file updated | 31 August 2025 11:45 CEST | Update | https://www.mdpi.com/2226-4787/8/1/20 |
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| article supplementary file uploaded. | 15 February 2020 04:44 CET | - | https://www.mdpi.com/2226-4787/8/1/20#supplementary |
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| article xml uploaded. | 15 February 2020 04:44 CET | Update | https://www.mdpi.com/2226-4787/8/1/20/xml |
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