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Article Contents

ABSTRACT

1.INTRODUCTION

2.IDENTIFICATION OF PNE AND CAMERA/TELESCOPES SUITABLE FOR PNe SURVEYS

3.ABUNDANCE DETERMINATIONS USING PNe

4.THE PLANETARY NEBULA LUMINOSITY FUNCTION

5.SUMMARY OF SURVEYS FOR EXTRAGALACTIC PNe

6.INTRACLUSTER PLANETARY NEBULAE

7.STELLAR POPULATIONS IN CEN A'S HALO

REFERENCES