Updated: 1-March-2009
Use of EDP in small companies (Pienyrityksen ATK). Tietojenkasittelyliitto ry, 1979
Fuzzy systems in technical research (Sumeat systeemit teknisessa tutkimuksessa). Technical Research Centre of Finland (VTT) , ISBN 951-38-1004-6, 1980
Software industry in Finland (Suomen ohjelmistotuotannon tilanne) Technical Research Centre of Finland, ISBN 951-38-1630-3, 1983
Research aimed at advancing software industry (Ohjelmistotuotannon kehittaminen tutkimuksen avulla). Technical Research Centre of Finland, ISBN 951-38-1931-0, 1984
Experiences with packet radio technology and systems (Kokemuksia pakettiradiotekniikasta ja -jarjestelmista). Suomen Radioamatooriliitto ry, ISBN 951-96056-05-6, 1987
Introduction to information technology (Tietotekniikka). Suomen Atk-kustannus Oy, ISBN 951-762-131-0, 1989
Finnish dictionary of information technology, 6th edition. Suomen Atk-kustannus Oy, 1992
Finnish dictionary of information technology, 7th edition. Suomen Atk-kustannus Oy, ISBN 951-762-214-7, 1994
Multi-lingual dictionary of information technology, 8th edition. Suomen Atk-kustannus Oy - Gummerus Oy, ISBN 951-762-422-0, 1996
Multi-lingual dictionary of information technology, 9th edition. (ATK-sanakirja) Suomen Atk-kustannus Oy, ISBN 951-762-582-0, 1997
Multi-lingual dictionary of information technology, 10th edition. (ATK-sanakirja) Suomen Atk-kustannus Oy, ISBN 951-762-714-9, 1999. Languages: Finnish, English, Swedish, German, French, Spanish, Estonian and Russian
Multi-lingual dictionary of information technology, 11th edition - Tietotekniikan liiton ATK-sanakirja. Suomen Atk-kustannus Oy, ISBN 952-14-0433-7, 2001. 3000 terms in six languages
Multi-lingual dictionary of information technology - ATK-sanakirja, 14th edition, 2008 – part 1 ISBN 978-952-14-1093-2, part 2 ISBN 978-952-14-1342-1 - Languages: Finnish, English, Swedish, German, French, Spanish, Estonian and Russian – book: www.talentumshop.fi electronic (CDROM, network) www.kielikone.fi
Nokia Compus 1982, Nokia Data, now ICL Data Oy, ISBN 951-99414-6-0, 1982, see: www.worldcat.org/isbn/9519941460 - openlibrary.org/b/OL2800164M - www.abebooks.com/author/
Nokia Compus 1984, ISBN 951-99580-2-9, 1985
Nokia Compus 1985, ISBN 951-99714-4-0, 1986