OBSERVATIONS OF [SIII] IN NGC 604 AND N-S ABUNDANCE GRADIENTS

[11] HAWLEY SA, IN PRESS

[12] AN ABSOLUTE SPECTROPHOTOMETRIC CALIBRATION OF ENERGY DISTRIBUTION OF 12 STANDARD STARS [J]. ASTROPHYSICAL JOURNAL, 1970, 159 (1P1) : 165 - &

[13] COMPOSITION GRADIENTS IN SPIRAL GALAXIES - CONSISTENCY CHECK ON DENSITY-WAVE THEORY [J]. ASTROPHYSICAL JOURNAL, 1976, 209 (03) : 748 - 769

[14] MIHALAS D, 1972, STR76 NCAR TECH NOT

[15] Osterbrock D. E, 1974, ASTROPHYSICS GASEOUS

[16] ON OXYGEN ABUNDANCE AND ELECTRON TEMPERATURE OF NGC-6040 [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1970, 82 (487) : 636 - &

[17] PHYSICAL CONDITIONS IN NUCLEI OF M51 AND M81 [J]. ASTROPHYSICAL JOURNAL, 1968, 154 (1P1) : 33 - &

[18] CHEMICAL COMPOSITION OF ORION NEBULA [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1977, 179 (01) : 217 - 234

[19] ABUNDANCE RATIO OF HELIUM TO HYDROGEN IN EXTRAGALACTIC NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1970, 159 (03) : 809 - &

[20] PEIMBERT M, 1974, REV MEXICANA ASTRONO, V1, P29

[11] HAWLEY SA, IN PRESS

[12] AN ABSOLUTE SPECTROPHOTOMETRIC CALIBRATION OF ENERGY DISTRIBUTION OF 12 STANDARD STARS [J]. ASTROPHYSICAL JOURNAL, 1970, 159 (1P1) : 165 - &

[13] COMPOSITION GRADIENTS IN SPIRAL GALAXIES - CONSISTENCY CHECK ON DENSITY-WAVE THEORY [J]. ASTROPHYSICAL JOURNAL, 1976, 209 (03) : 748 - 769

[14] MIHALAS D, 1972, STR76 NCAR TECH NOT

[15] Osterbrock D. E, 1974, ASTROPHYSICS GASEOUS

[16] ON OXYGEN ABUNDANCE AND ELECTRON TEMPERATURE OF NGC-6040 [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1970, 82 (487) : 636 - &

[17] PHYSICAL CONDITIONS IN NUCLEI OF M51 AND M81 [J]. ASTROPHYSICAL JOURNAL, 1968, 154 (1P1) : 33 - &

[18] CHEMICAL COMPOSITION OF ORION NEBULA [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1977, 179 (01) : 217 - 234

[19] ABUNDANCE RATIO OF HELIUM TO HYDROGEN IN EXTRAGALACTIC NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1970, 159 (03) : 809 - &

[20] PEIMBERT M, 1974, REV MEXICANA ASTRONO, V1, P29