Probing the local response of a two-dimensional liquid foam Leevi Viitanen, Juha Koivisto, Antti Puisto, Mikko Alava and Stephane Santucci Eur. Phys. J. B, 92 2 (2019) 38 Published online: 13 February 2019 DOI: 10.1140/epjb/e2019-90402-x