| article html file updated | 12 November 2022 11:31 CET | Update | https://www.mdpi.com/1422-8599/2007/5/M558 |
| article html file updated | 5 February 2020 11:51 CET | Update | - |
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| article xml uploaded. | 23 September 2017 07:26 CEST | Original file | https://www.mdpi.com/1422-8599/2007/5/M558/xml |
| article pdf uploaded. | 23 September 2017 07:26 CEST | Version of Record | https://www.mdpi.com/1422-8599/2007/5/M558/pdf |
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