| Identifer | oai:union.ndltd.org:UPSALLA/oai:DiVA.org:hig-6104 |
| Date | January 2009 |
| Creators | Persson, Maria |
| Publisher | University of Gävle, Ämnesavdelningen för naturvetenskap |
| Source Sets | DiVA Archive at Upsalla University |
| Language | Swedish |
| Detected Language | Swedish |
| Type | Student thesis, text |
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