共 50 条
- [1] OPTICAL THICKNESSES OF PLANETARY NEBULAE IN HYDROGEN LYMAN CONTINUUM ASTROPHYSICAL JOURNAL, 1967, 147 (03): : 979 - &
- [3] RADIO-FREQUENCY OPTICAL DEPTHS OF PLANETARY NEBULAE ASTRONOMICAL JOURNAL, 1965, 70 (05): : 328 - &
- [4] RADIO-FREQUENCY OPTICAL DEPTHS OF PLANETARY NEBULAE ASTROPHYSICAL JOURNAL, 1965, 141 (03): : 1285 - +
- [8] POLARIZATION OF CONTINUUM BACKGROUND IN PLANETARY NEBULAE ASTROPHYSICAL JOURNAL, 1969, 156 (1P1): : 261 - +
- [9] LYMAN-ALPHA RADIATION DENSITIES IN PLANETARY NEBULAE ASTROPHYSICAL JOURNAL, 1967, 150 (1P1): : 79 - +