EXTINCTION CURVE FOR CYGNUS OB2 NO 12

[1] [Anonymous], 1966, PUBLICATIONS ROYAL O

[2] APPENZELLER I, 1966, Z ASTROPHYS, V64, P296

[3] GRAPHITE AS INTERSTELLAR MATTER [J]. NATURE, 1967, 215 (5097) : 145 - &

[4] DIFFUSE INTERSTELLAR FEATURES IN SPECTRUM OF MOST HEAVILY REDDENED STAR [J]. NATURE, 1971, 230 (5290) : 172 - &

[5] HARDIE RH, 1971, PRIVATE COMMUNICATIO

[6] Hiltner W. A., 1956, ASTROPHYS J SUPPL S, V2, P389

[7] POLARIZATION OF A HEAVILY OBSCURED CLUSTERING OF OB-STARS IN CYGNUS [J]. ASTROPHYSICAL JOURNAL, 1954, 120 (01) : 178 - 179

[8] SIGNAL AVERAGING ASTRONOMICAL SPECTROPHOTOMETER [J]. APPLIED OPTICS, 1971, 10 (05) : 1125 - +

[9] SPACE DISTRIBUTION AND KINEMATICS OF SUPERGIANTS [J]. ASTRONOMICAL JOURNAL, 1970, 75 (05) : 602 - +

[10] JOHNSON HL, 1968, NEBULAE INTERSTELLAR

[1] [Anonymous], 1966, PUBLICATIONS ROYAL O

[2] APPENZELLER I, 1966, Z ASTROPHYS, V64, P296

[3] GRAPHITE AS INTERSTELLAR MATTER [J]. NATURE, 1967, 215 (5097) : 145 - &

[4] DIFFUSE INTERSTELLAR FEATURES IN SPECTRUM OF MOST HEAVILY REDDENED STAR [J]. NATURE, 1971, 230 (5290) : 172 - &

[5] HARDIE RH, 1971, PRIVATE COMMUNICATIO

[6] Hiltner W. A., 1956, ASTROPHYS J SUPPL S, V2, P389

[7] POLARIZATION OF A HEAVILY OBSCURED CLUSTERING OF OB-STARS IN CYGNUS [J]. ASTROPHYSICAL JOURNAL, 1954, 120 (01) : 178 - 179

[8] SIGNAL AVERAGING ASTRONOMICAL SPECTROPHOTOMETER [J]. APPLIED OPTICS, 1971, 10 (05) : 1125 - +

[9] SPACE DISTRIBUTION AND KINEMATICS OF SUPERGIANTS [J]. ASTRONOMICAL JOURNAL, 1970, 75 (05) : 602 - +

[10] JOHNSON HL, 1968, NEBULAE INTERSTELLAR