eCall implementation roadmap for Finland. - Risto Öörni; Raine Hautala; Timo Hänninen; Aki Lumiaho (ITST, 2013)

A Framework for Appraising European Member States' Readiness Level for eCall Deployment. - Selini Natalia Hadjidimitriou; Risto Öörni (ITSC, 2015)

In-Vehicle Emergency Call Services: eCall and Beyond. - Risto Öörni; Ana E. Goulart (IEEE Commun. Mag., 2017)

An Online Training Tool for Better Understanding the Operation and Significance of ITS. - Charis Chalkiadakis; Panagiotis Iordanopoulos; Fanny Malin; Manuela Flachi; Monica Giannini; Evangelos Mitsakis; Risto Öörni (MT-ITS, 2019)

Capacity Building Strategies for further growth of the ITS Sector in Europe. - Charis Chalkiadakis; Panagiotis Iordanopoulos; Fanny Malin; Katharina Helfert; Michael Zangl; Manuela Flachi; Risto Öörni (MT-ITS, 2019)

eCall for Heavy Goods Vehicles. - Risto Öörni; Gorazd Marinic; Ashweeni Kumar Beeharee; Harold Linke; Mick Trosh (IEEE Intell. Transp. Syst. Mag., 2021)