Enhanced natural radioactivity in leachate and groundwater of Belgian landfillsS. Pepin, B. Dehandschutter, J. Claes, G. Biermans, S. Nootens, L. Sombré, A. Poffijn, C. Escourrou, E. Bietlot and M. LooRadioprotection, 56 4 (2021) 309-318DOI: https://doi.org/10.1051/radiopro/2021015