... Observations of maser emission toward infrared sources in dark molecular clouds . ... A. V. A family of cometary globules at the periphery of Cyg OB1: the star HBHA 3703-01 and the reflection nebula GM 2-39 ...
... Observations of maser emission toward infrared sources in dark molecular clouds . ... A. V. A family of cometary globules at the periphery of Cyg OB1: the star HBHA 3703-01 and the reflection nebula GM 2-39 ...