Porosity changes in a granite close to quarry faces: identification from 14C-PMMA autoradiographs and mineralogical cartographiesR. Robert, P. Sardini, Sammartino, C. Dubois, L. Guillot, M. Rossy, P. Gaviglio and M. Siitari-KauppiEur. Phys. J. AP, 21 2 (2003) 127-136DOI: https://doi.org/10.1051/epjap:2002108