Kas Maal on oodata kosmilist katastroofi?

author
statement of authorship
Peep Kalv
source
year of publication
pages
7, lk. 53-57: ill
ISSN
0134-2282
language
eesti
Kalv, P. Kas Maal on oodata kosmilist katastroofi? // Horisont (1995), 7, lk. 53-57: ill. https://artiklid.elnet.ee/record=b2033678*est