Helium abundance and physical conditions in the 30 Doradus NebulaW. K. Huchtmeier, E. Churchwell|Unknown|1974Cited by 5
A Search for Molecular Transitions in the 22-25 GHz Band in Comet Kohoutek 1973fE. Churchwell, J. Rahe, R. E. Hills et al.|International Astronomical Union Colloquium|1976Cited by 1
Erratum; Helium Abundance in Galactic RU RegionsE. Churchwell, W. K. Huchtmeier, P. G. Mezger|Unknown|1975Cited by 0