Some problems concerning dark nebulae
By: by K.G. Malmquist. Presented to the Royal Society of Sciences of Upsala, Dec. 1st, 1944.
Series: Nova acta Regiae societatis scientiarum upsaliensis. Ser. iv,; vol. 13, n:o 6; Acta Universitatis Upsaliensis.; v. 13, n:o 6.
Publisher: Almqvist & Wiksells Boktryckeri ab
Published: 1945
Place of publication: Uppsala
Language: eng
Number of pages: 43
Subjects: Nebulae.
Notes: "References": p. 37.
Imprint on cover: Uppsala, A.-b. L. Norblads bokhandel.