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1954Natur.174..176H - Nature, 174, 176-177 (1954)
Radio observations of ionized hydrogen nebulae and other discrete sources at a wavelength of 9.4 cm.
HADDOCK F.T., MAYER C.H. and SLOANAKER R.M.
Journal keyword(s):
Nomenclature: NRL NN (Nos 1-24)
Simbad objects: 25