Modul:Citation/utilities: Unterschied zwischen den Versionen
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-- Check digit estimation for countries at, ch, de, and fi | |||
-- See: https://github.com/bohnelang/URN-Pruefziffer | -- See: https://github.com/bohnelang/URN-Pruefziffer | ||
-- Description of the algorithm: http://www.pruefziffernberechnung.de/U/URN.shtml | -- Description of the algorithm: http://www.pruefziffernberechnung.de/U/URN.shtml | ||