Brandt J. C. (1965). "A spectroscopic study of the motions in Messier 33". Monthly Notices of the Royal Astronomical Society (بالإنجليزية). 129: 309–319. Bibcode:1965MNRAS.129..309B. ISSN:0035-8711. QID:Q67054724.
Brandt J. C. (1965). "A spectroscopic study of the motions in Messier 33". Monthly Notices of the Royal Astronomical Society (بالإنجليزية). 129: 309–319. Bibcode:1965MNRAS.129..309B. ISSN:0035-8711. QID:Q67054724.
worldcat.org
Brandt J. C. (1965). "A spectroscopic study of the motions in Messier 33". Monthly Notices of the Royal Astronomical Society (بالإنجليزية). 129: 309–319. Bibcode:1965MNRAS.129..309B. ISSN:0035-8711. QID:Q67054724.