@article{kuczynski_rapport_1993, title = {Rapport concernant l'enquête sur les matrices des sceaux}, journal = {Janus}, author = {Kuczynski, Stefan K.}, year = {1993}, pages = {18--24}, } @article{martini_bibliographie_1993, title = {Bibliographie des études concernant la restauration des sceaux en plomb}, journal = {Janus}, author = {Martini, Aldo}, year = {1993}, pages = {39--40}, }