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- [4] ABUNDANCE RATIO OF C-12 TO C-13 IN CARBON STARS PROCEEDINGS OF THE JAPAN ACADEMY, 1976, 52 (06): : 296 - 299
- [5] DISPERSION OF SPECTROGRAMS IN CONNECTION WITH ABUNDANCE RATIO DETERMINATION OF C12 TO C13 IN CARBON STARS PROCEEDINGS OF THE JAPAN ACADEMY, 1968, 44 (06): : 495 - &