| article html file updated | 9 February 2020 04:06 CET | Update | https://www.mdpi.com/1422-0067/19/2/332 |
| article html file updated | 30 September 2019 04:05 CEST | Update | - |
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| article xml uploaded. | 29 January 2018 05:01 CET | Update | https://www.mdpi.com/1422-0067/19/2/332/xml |
| article xml uploaded. | 29 January 2018 05:01 CET | Update | - |
| article xml uploaded. | 29 January 2018 05:01 CET | Update | - |
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| article pdf uploaded. | 29 January 2018 05:01 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/2/332/pdf |
| article html file updated | 24 January 2018 03:26 CET | Original file | - |
| article xml uploaded. | 24 January 2018 03:24 CET | Update | - |
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| article pdf uploaded. | 24 January 2018 03:24 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/332/pdf-vor |