| article html file updated | 5 February 2020 23:33 CET | Update | https://www.mdpi.com/1422-0067/14/1/30 |
| article html file updated | 19 September 2019 15:59 CEST | Update | - |
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| article xml file uploaded | 8 February 2013 11:52 CET | Original file | https://www.mdpi.com/1422-0067/14/1/30/xml |
