| article html file updated | 6 February 2020 02:53 CET | Update | https://www.mdpi.com/2227-7390/1/3/76 |
| article html file updated | 19 September 2019 22:12 CEST | Update | - |
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| article html file updated | 15 August 2017 04:33 CEST | Original file | - |
| article xml uploaded. | 15 August 2017 04:32 CEST | Original file | https://www.mdpi.com/2227-7390/1/3/76/xml |
| article pdf uploaded. | 28 June 2013 10:48 CEST | Version of Record | https://www.mdpi.com/2227-7390/1/3/76/pdf |
