| article html file updated | 8 February 2020 07:19 CET | Update | https://www.mdpi.com/2309-608X/3/2/29 |
| article html file updated | 25 September 2019 03:24 CEST | Update | N/A |
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| article html file updated | 7 June 2017 09:05 CEST | Update | N/A |
| article xml uploaded. | 7 June 2017 09:03 CEST | Update | https://www.mdpi.com/2309-608X/3/2/29/xml |
| article pdf uploaded. | 7 June 2017 09:03 CEST | Updated version of record | https://www.mdpi.com/2309-608X/3/2/29/pdf |
| article html file updated | 5 June 2017 12:31 CEST | Original file | N/A |
| article pdf uploaded. | 5 June 2017 12:30 CEST | Updated version of record | https://www.mdpi.com/2309-608X/3/2/29/pdf-vor |
| article pdf uploaded. | 2 June 2017 13:06 CEST | Version of Record | https://www.mdpi.com/2309-608X/3/2/29/pdf-vor |