On the concept of flexibility in electrical power systems : signs of inflexibilityAhmadiahangar, Roya; Rosin, Argo; Palu, Ivo; Azizi, AydinDemand-side flexibility in smart grid2020 / p. 17-26 https://doi.org/10.1007/978-981-15-4627-3_2 Journal metrics at Scopus Article at Scopus