Safe City: A Study of Channels for Public Warnings for Emergency Communication in Finland, Germany, and Greece. - Sari Yli-Kauhaluoma; Milt Statheropoulos; Anne Zygmanowski; Osmo Anttalainen; Hanna Hakulinen; Maria Theodora Kontogianni; Matti Kuula; Johannes Pernaa; Paula Vanninen (Multimodal Technol. Interact., 2023)