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What are the 50 cent Euro coins made of?
Peralta, Luis, Farinha, Ana Catarina, Rego, FlorbelaVolume:
29
Language:
english
Journal:
European Journal of Physics
DOI:
10.1088/0143-0807/29/5/004
Date:
September, 2008
File:
PDF, 806 KB
english, 2008