*  *  *  I would like to leaf with you through the photo album of a baby, whose name is euro. He is now nine months old and he took years, not months, to conceive. Introduction On 1 January 1999, the final phase of Economic and Monetary Union (EMU) started with the successful launch of the euro.
As for the left column in the left chart, the number of highly cited papers is the adjusted number of papers ranked in the top 10 percent in terms of citation counts in each field and each year. Based on the fractional counting method. 2015-2017 average. 3.