STUDIES OF EXTREMELY YOUNG CLUSTERS .2. NGC-6530

[1] [Anonymous], 1932, LICK OBSERVATORY B, DOI DOI 10.5479/ADS/BIB/1932LICOB.16.53H

[2] BIDELMAN WP, 1956, COMMUNICATION

[3] SOME REMARKS ON THE (U, B, V) SYSTEM [J]. ASTROPHYSICAL JOURNAL, 1956, 123 (01) : 64 - 67

[4] CANNON AJ, 1949, HARVARD ANN, V112, P187

[5] THE EARLY PHASES OF STELLAR EVOLUTION [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1955, 67 (396) : 154 - 160

[6] Herbig G. H., 1952, JRASC, V46, P222

[7] EMISSION-LINE STARS IN THE VICINITY OF MESSIER-8, MESSIER-20, AND SIMEIS-188 [J]. ASTROPHYSICAL JOURNAL, 1957, 125 (03) : 654 - &

[8] HERBIG GH, 1956, COMMUNICATION

[9] HERBIG GH, DOM AP OBS CONTR 3, V27

[10] Johnson H.L., 1956, COMMUNICATION

[1] [Anonymous], 1932, LICK OBSERVATORY B, DOI DOI 10.5479/ADS/BIB/1932LICOB.16.53H

[2] BIDELMAN WP, 1956, COMMUNICATION

[3] SOME REMARKS ON THE (U, B, V) SYSTEM [J]. ASTROPHYSICAL JOURNAL, 1956, 123 (01) : 64 - 67

[4] CANNON AJ, 1949, HARVARD ANN, V112, P187

[5] THE EARLY PHASES OF STELLAR EVOLUTION [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1955, 67 (396) : 154 - 160

[6] Herbig G. H., 1952, JRASC, V46, P222

[7] EMISSION-LINE STARS IN THE VICINITY OF MESSIER-8, MESSIER-20, AND SIMEIS-188 [J]. ASTROPHYSICAL JOURNAL, 1957, 125 (03) : 654 - &

[8] HERBIG GH, 1956, COMMUNICATION

[9] HERBIG GH, DOM AP OBS CONTR 3, V27

[10] Johnson H.L., 1956, COMMUNICATION