The spectra of some spiral nebulae and globular star clusters

Publication:

Lick Observatory Bulletin

Pub Date:

1909

DOI:

10.5479/ADS/bib/1909LicOB.5.71F

Bibcode:

1909LicOB...5...71F

Keywords:

• NEBULAE: SPECTRA;
• STARS: GLOBULAR CLUSTERS: SPECTRA