| article html file updated | 6 February 2020 21:29 CET | Update | https://www.mdpi.com/2220-9964/4/3/1317 |
| article html file updated | 6 May 2019 14:07 CEST | Update | - |
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| article html file updated | 14 October 2015 05:04 CEST | Update | - |
| article xml file uploaded | 14 October 2015 05:04 CEST | Original file | https://www.mdpi.com/2220-9964/4/3/1317/xml |
| article html file updated | 21 August 2015 15:27 CEST | Original file | - |
| article pdf uploaded. | 6 August 2015 15:32 CEST | Version of Record | https://www.mdpi.com/2220-9964/4/3/1317/pdf |
