%0 Journal Article %A Francisco Muñoz %A Luis Pascual %A Alicia Durán %A Jean Rocherullé %A Roger Marchand %T Alkali and alkali–lead oxynitride phosphate glasses: a comparative structural study by NMR and XPS %J Comptes Rendus. Chimie %D 2002 %P 731-738 %V 5 %N 11 %I Elsevier %R 10.1016/S1631-0748(02)01434-0 %G en %F CRCHIM_2002__5_11_731_0