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http://www.springerlink.com/content/m500g70515681003/fulltext.pdf | http://www.springerlink.com/content/m500g70515681003/fulltext.pdf | ||
| − | http://dx.doi.org/10.1063/PT.3.1263 | + | [http://dx.doi.org/10.1063/PT.3.1263 ]http://dx.doi.org/10.1063/PT.3.1263 |