Micrometrical observations of 500 nebulæ
By: by D:r Herman Schultz. (Presented to the Royal society of Upsala, the 18:th April 1874).
Publisher: Printed by E. Berling
Published: 1874
Place of publication: Upsala
Language: eng
Number of pages: 120
Subjects: Nebulae.
Notes: From Nova acta Regiae societatis scientiarum upsaliensis. v. 9, 1875.