STELLAR SPECTRA AND COLORS IN A CLEAR REGION IN CYGNUS

[1] AITKEN, 1932, PUB CARNEGIE I WASHI, V417

[2] MCCUSKEY, 1949, AP J, V109, P426

[3] MORGAN, 1943, ATLAS STELLAR SPECTR

[4] A STUDY OF THE GALACTIC STRUCTURE IN A CLEAR REGION IN CYGNUS [J]. ASTROPHYSICAL JOURNAL, 1949, 110 (01) : 40 - &

[5] SCHALEN, 1931, UPPSALA MEDD

[6] 1925, HARVARD ANN, V100

[1] AITKEN, 1932, PUB CARNEGIE I WASHI, V417

[2] MCCUSKEY, 1949, AP J, V109, P426

[3] MORGAN, 1943, ATLAS STELLAR SPECTR

[4] A STUDY OF THE GALACTIC STRUCTURE IN A CLEAR REGION IN CYGNUS [J]. ASTROPHYSICAL JOURNAL, 1949, 110 (01) : 40 - &

[5] SCHALEN, 1931, UPPSALA MEDD

[6] 1925, HARVARD ANN, V100