The physics of mesospheric (noctilucent) clouds; proceedings of the Conference on Mesospheric Clouds, Riga, 20-23 November, 1968.
Nauchnoe soveshchanie po mezosfernym oblakam(1968 :Rīga, Latvia)
Ikaunieks, I︠A︡. I︠A︡.(I︠A︡n I︠A︡novich),1912-1969.ed.
Radioastrofizikas observatorija (Latvijas PSR Zinātn̦u akadēmija)
Vsesoi︠u︡znoe astronomo-geodezicheskoe obshchestvo.Latviĭskoe otdelenie.
Jerusalem : Israel Program for Scientific Translations,
1973.
At head of title: Academy of Science of the Latvian SSR. Radioastrophysics Observatory. Latvian Branch of VAGO.
Translation of Fizika mezosfernykh (serebristykh) oblakov.
Includes bibliographies.
Noctilucent clouds
Mesosphere