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| article supplementary file uploaded. | 24 June 2013 08:16 CEST | - | https://www.mdpi.com/2218-1989/3/2/440#supplementary |
| article pdf uploaded. | 24 June 2013 08:16 CEST | Updated version of record | https://www.mdpi.com/2218-1989/3/2/440/pdf |
| article supplementary file uploaded. | 29 May 2013 16:15 CEST | - | https://www.mdpi.com/2218-1989/3/2/440#supplementary |
| article pdf uploaded. | 29 May 2013 16:15 CEST | Updated version of record | https://www.mdpi.com/2218-1989/3/2/440/pdf-vor |
| article supplementary file uploaded. | 28 May 2013 10:35 CEST | - | https://www.mdpi.com/2218-1989/3/2/440#supplementary |
| article pdf uploaded. | 28 May 2013 10:34 CEST | Version of Record | https://www.mdpi.com/2218-1989/3/2/440/pdf-vor |