Epoxy modified silicas for HPLC studied by 29Si and 13C solid-state NMRA Tuel, H Hommel, AP Legrand, MF Gonnord, E Mincsovics and AM SiouffiJ. Chim. Phys., 89 (1992) 477-488DOI: https://doi.org/10.1051/jcp/1992890477