https://aviationnews.eu/news/2015/10/bombardier-signs-firm-agreements-for-combined-total-of-up-to-16-crj-series-aircraft-and-welcomes-dublins-cityjet-to-crj-series-family/
Bombardier Signs Firm Agreements for Combined Total of up to 16 CRJ Series Aircraft and Welcomes Dublin’s CityJet to CRJ Series Family