| article html file updated | 12 August 2026 18:58 CEST | Update | https://www.mdpi.com/2075-163X/3/2/121 |
| article html file updated | 6 February 2020 01:20 CET | Update | N/A |
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| article html file updated | 14 August 2014 12:04 CEST | Original file | N/A |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/2075-163X/3/2/121/xml |
| article supplementary file uploaded. | 3 April 2013 16:39 CEST | - | https://www.mdpi.com/2075-163X/3/2/121#supplementary |
| article pdf uploaded. | 2 April 2013 15:02 CEST | Version of Record | https://www.mdpi.com/2075-163X/3/2/121/pdf |
