Dictionary of Nomenclature of Celestial Objects

..704C
byCHRISTIAN C.A. , SCHOMMER R.A.
 Astron. J., 95, 704-719 (1988)
  BVI photometry of star clusters in M 33.
oTable III: <[CS82] ON> (Nos O1-O3), <[CS82] RNN> (Nos R12-R15), <[CS82] SNNNa> N=21 among (Nos S24-S248), <[CS82] UNNa> (No. 84a) added.

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