History of nordic computing 2 : second IFIP WG 9.7 conference, HiNC2, Turku, Finland, Aug. 21-23, 2007: rev. sel. papers / ed. J. Impagliazzo, 2009 r=on-line. - Текст : электронный.
History of computing and education 3 (HCE3) : IFIP 20th World computer congress, Proceedings of the third IFIP conference on the history of computing and education WG 9.7/TC9, history of computing, September 7-10, 2008, Milano, Italy / SpringerLink (Online service), 2008 r=on-line. - Текст : электронный.