[1] Zie Fournier, P-G., Govers, T.R., Fournier, J. and Abani, M.: Contamination by nickel and other metals resulting from the manipulation of coins - Comparison between French Francs and euro, gepubliceerd in: Comptes Rendu de l' Académie des Sciences: C.R. Physique, Vol. 3 (2002), N° 6, blz. 749-758.
[1] Siehe Fournier, P-G., Govers, T.R., Fournier, J. und Abani, M.: Contamination by nickel and other metals resulting from the manipulation of coins - Comparison between French Francs and euro, veröffentlicht in: Comptes Rendu de l' Académie des Sciences: C.R. Physique, Vol. 3 (2002), N° 6, S. 749-758.