TY - EJOUR TI - Ageing of Laboratory Irongall Inks Studied by Reflectance Spectrometry T2 - Restaurator VL - 20 IS - 3-4 AU - CARME SISTACH, M. and GIBERT, JOSEP M. and AREAL, ROGELIO PB - Walter de Gruyter GmbH PY - 1999 PY - 1999 LA - Undetermined KW - General Materials Science KW - Media Technology KW - Conservation SN - 0034-5806 SN - 1865-8431 UR - http://dx.doi.org/10.1515/rest.1999.20.3-4.151 UR - https://katalog.fid-bbi.de/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTUxNS9yZXN0LjE5OTkuMjAuMy00LjE1MQ ER -