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| article html file updated | 17 July 2022 21:50 CEST | Update | - |
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| article xml file uploaded | 11 January 2019 07:32 CET | Update | https://www.mdpi.com/2227-7390/7/1/60/xml |
| article pdf uploaded. | 11 January 2019 07:32 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/60/pdf |
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| article pdf uploaded. | 11 January 2019 07:30 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/60/pdf-vor |
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| article pdf uploaded. | 9 January 2019 02:46 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/60/pdf-vor |
| article pdf uploaded. | 9 January 2019 02:39 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/60/pdf-vor |
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| article pdf uploaded. | 8 January 2019 14:32 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/60/pdf-vor |
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