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| article xml uploaded. | 22 October 2018 04:54 CEST | Update | https://www.mdpi.com/2304-8158/7/10/172/xml |
| article pdf uploaded. | 22 October 2018 04:54 CEST | Updated version of record | https://www.mdpi.com/2304-8158/7/10/172/pdf |
| article html file updated | 22 October 2018 04:54 CEST | Update | - |
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| article html file updated | 22 October 2018 04:06 CEST | Update | - |
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| article pdf uploaded. | 22 October 2018 04:05 CEST | Updated version of record | https://www.mdpi.com/2304-8158/7/10/172/pdf-vor |
| article xml file uploaded | 19 October 2018 08:37 CEST | Update | - |
| article pdf uploaded. | 19 October 2018 08:37 CEST | Version of Record | https://www.mdpi.com/2304-8158/7/10/172/pdf-vor |
| article xml uploaded. | 19 October 2018 08:37 CEST | Original file | - |
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