Martos, Tamas; Sallay, Viola: 'Enhanced living environments from the viewpoint of socioecological psychology' (Healthcare Technologies, 2017), 'Enhanced Living Environments: From models to technologies', Chap. 2, pp. 21-47, DOI: 10.1049/PBHE010E_ch2
IET Digital Library, https://digital-library.theiet.org/;jsessionid=21emsbp62f981.x-iet-live-01content/books/10.1049/pbhe010e_ch2