| article html file updated | 6 February 2020 07:00 CET | Update | https://www.mdpi.com/2304-8158/3/1/128 |
| article html file updated | 7 May 2019 19:11 CEST | Update | - |
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| article supplementary file uploaded. | 27 January 2014 18:32 CET | - | https://www.mdpi.com/2304-8158/3/1/128#supplementary |
| article pdf uploaded. | 27 January 2014 18:32 CET | Version of Record | https://www.mdpi.com/2304-8158/3/1/128/pdf |