EMISSION AT 3.3 MU-M AND EVIDENCE FOR DUST IN 3C273

[1] ALLAMANDOLA LJ, 1979, ASTRON ASTROPHYS, V77, P66

[2] Allen D., 1975, INFRARED NEW ASTRONO

[3] LY-ALPHA/H-BETA INTENSITY RATIO IN SPECTRA OF QSOS [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1977, 178 (03) : P67 - P74

[4] APPLICATION OF LINE TRANSFER CALCULATIONS TO ACTIVE NUCLEI AND NOVAE [J]. ASTROPHYSICAL JOURNAL, 1979, 229 (01) : 274 - 290

[5] L-ALPHA-H-ALPHA INTENSITY RATIO IN PKS 0237-23 [J]. ASTROPHYSICAL JOURNAL, 1978, 220 (03) : L73 - L75

[6] Merrill K. M, 1977, IAU C, V42, P446

[7] ABSOLUTE SPECTRAL ENERGY-DISTRIBUTION OF QUASI-STELLAR OBJECTS FROM 0.3 TO 10 MICRONS [J]. ASTROPHYSICAL JOURNAL, 1979, 230 (01) : 79 - 94

[8] INFRARED-EMISSION OF EXTRA-GALACTIC SOURCES [J]. ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, 1979, 17 : 477 - 511

[9] OBSERVATIONS OF UNIDENTIFIED 3.3 MICROMETER EMISSION FEATURE IN NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1977, 213 (01) : 66 - 70

[1] ALLAMANDOLA LJ, 1979, ASTRON ASTROPHYS, V77, P66

[2] Allen D., 1975, INFRARED NEW ASTRONO

[3] LY-ALPHA/H-BETA INTENSITY RATIO IN SPECTRA OF QSOS [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1977, 178 (03) : P67 - P74

[4] APPLICATION OF LINE TRANSFER CALCULATIONS TO ACTIVE NUCLEI AND NOVAE [J]. ASTROPHYSICAL JOURNAL, 1979, 229 (01) : 274 - 290

[5] L-ALPHA-H-ALPHA INTENSITY RATIO IN PKS 0237-23 [J]. ASTROPHYSICAL JOURNAL, 1978, 220 (03) : L73 - L75

[6] Merrill K. M, 1977, IAU C, V42, P446

[7] ABSOLUTE SPECTRAL ENERGY-DISTRIBUTION OF QUASI-STELLAR OBJECTS FROM 0.3 TO 10 MICRONS [J]. ASTROPHYSICAL JOURNAL, 1979, 230 (01) : 79 - 94

[8] INFRARED-EMISSION OF EXTRA-GALACTIC SOURCES [J]. ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, 1979, 17 : 477 - 511

[9] OBSERVATIONS OF UNIDENTIFIED 3.3 MICROMETER EMISSION FEATURE IN NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1977, 213 (01) : 66 - 70