TY - BOOK ED - International Symposium on Noctilucent Clouds ED - Special Committee for the International Years of the Quiet Sun ED - International Association of Meteorology and Atmospheric Physics. ED - World Meteorological Organization. TI - Noctilucent clouds; International symposium, Tallinn, 1966 AV - QC976.N6 I67 1966 PY - 1967/// CY - Moscow PB - KW - Noctilucent clouds KW - Congresses N1 - Added t.p.: in Russian; Table of contents also in Russian; summaries in Russian ER -