Poor access to digitised historical texts: the solutions of the IMPACT project. - Hildelies Balk (AND, 2009)

IMPACT: working together to address the challenges involving mass digitization of historical printed text. - Hildelies Balk; Lieke Ploeger (OCLC Syst. Serv., 2009)

IMPACT: centre of competence in text digitisation. - Hildelies Balk; Aly Kaloa Conteh (HIP@ICDAR, 2011)