Abstract
Engel, P
Engel, P (通讯作者),Danube Univ Krems, European Res Ctr Book & Paper Conservat Restorat, Zentrum Kulturguterschutz, Dr Karl Dorrekstr 30, A-3500 Krems, Austria.
IFLA JOURNAL-INTERNATIONAL FEDERATION OF LIBRARY ASSOCIATIONS, 2022; 48 (2): 339