De Diego Erles, Jesús Javier, Centro de Información del Patrimonio Cultural Altoaragonés, Instituto de Estudios Altoaragoneses, España
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Scire: knowledge representation and organization (ISSNe 2340-7042; ISSN 1135-3716) Vol.5, N.1 (1999) - Articles
Internet resources on old books in Europe
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Scire: knowledge representation and organization (ISSNe 2340-7042; ISSN 1135-3716) Vol.7, N.2 (2001) - Articles
The Aragon Cultural Heritage Information Center
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