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Die Jagd nach dem Urmeter - the search for the universal length unit (2011) Film
graphic 12.02.2011
the german TV ZDF published "Die Jagd nach dem Urmeter" ("the search for the universal lengts unit") on its historical series "Terra-X" on 27. February 2011 at 19:30.
this historical contribution can be viewed on the web-portal (ZDF-Mediathek).