Sputnikin haaste.
by:
Honkanen, Pertti
In: Ydin. - ISSN 0356-357X. - 28(1994) : 7-8, s.35
Journal article
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In: Ydin. - ISSN 0356-357X. - 28(1994) : 7-8, s.35
Journal article
Eikös avaruushissi ole mahdoton toteuttaa?.
by:
Valtaoja, Esko.
In: Tähdet ja avaruus. - ISSN 0355-9467. - 39(2009) : 4, s.56
Journal article
We do not have a clear identifier or note about this person. You can try to get more information using external search engines:
In: Tähdet ja avaruus. - ISSN 0355-9467. - 39(2009) : 4, s.56
Journal article
