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- [43] OBSERVATIONS OF OH EMISSION IN W3 NGC 6334 W49 W51 W75 AND ORI A ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1968, 16 (146): : 219 - &
- [45] OBSERVATIONS OF RADIO RECOMBINATION LINES AT LAMBDA = 18CM ASTRONOMY & ASTROPHYSICS, 1970, 6 (02): : 261 - +
- [48] OBSERVATIONS OF THE 157.7 MICRON (C II) EMISSION FROM THE GALACTIC H II REGIONS W3 AND W51 ASTROPHYSICAL JOURNAL, 1986, 303 (02): : 638 - 648