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Article Contents

TITLE PAGE

1.INTRODUCTION

2.THE SOLAR NEIGHBORHOOD

2.1.Standard Abundance Distribution

2.2.Age-Metallicity Relation

2.3.Metallicity Distribution

2.4.Primordial Variations in Relative Abundances

3.LARGE-SCALE TRENDS WITHIN THE GALAXY

3.1.Abundance Gradients in Stars and the Interstella Medium

3.2.The Diffuse Interstellar Medium and the Galactic Center

3.3.The Galactic Halo

4.OTHER GALAXIES: ABUNDANCE INDICATORS

4.1.Individual Stars

4.2.Emission Nebulae

4.3.Integrated Light from Stellar Populations

5.OTHER GALAXIES: RESULTS

5.1.Irregular and Blue Compact Galaxies

5.2.Elliptical and SO Galaxies

5.3.Dwarf Spheroidal Systems

5.4.Spiral Galaxies

5.5.Quasars and Active Galaxies

6.CONCLUSION

REFERENCES