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Search works, persons, organizations and subjects:
Helpinen, Harto
URI:
http://urn.fi/URN:NBN:fi:au:pn:000043893
name
Helpinen, Harto
Authored works
Ekologinen talo : esitutkimus
Works contributed to
Helsinki central plan
International competition of ideas for the centre of Espoo, Finland : 1966-1967
Works about Helpinen, Harto
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