共 50 条
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- [15] 8-13 MICRON SPECTROPHOTOMETRY OF PLANETARY-NEBULAE ASTROPHYSICAL JOURNAL, 1979, 233 (03): : 925 - 934
- [16] SPECTROPHOTOMETRY OF PLANETARY-NEBULAE .2. CHEMICAL ABUNDANCES ASTROPHYSICAL JOURNAL, 1978, 220 (01): : 193 - 209
- [17] SPECTROPHOTOMETRY OF PLANETARY-NEBULAE .3. SULFUR ABUNDANCES ASTROPHYSICAL JOURNAL, 1978, 221 (01): : 145 - 150
- [19] PLANETARY-NEBULAE QUARTERLY JOURNAL OF THE ROYAL ASTRONOMICAL SOCIETY, 1980, 21 (02): : 82 - 92