by???:
Rytkönen, Soma.
V: Ydin. - ISSN 0356-357X. - 23(1989) : 3, s. 38-39
Ydin. - ISSN 0356-357X. - 23(1989) : 3, s.38-39
Journal article
V: Ydin. - ISSN 0356-357X. - 23(1989) : 3, s. 38-39
Ydin. - ISSN 0356-357X. - 23(1989) : 3, s.38-39
Journal article