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Article Contents
- ABSTRACT
- 1.MOTIVATION
- 2.EARLY CLUES FROM PHOTOMETRY
- 3.METHODS BASED ON STELLAR KINEMATICS
- 4.METHODS BASED ON GAS KINEMATICS
- 4.1.Optical Emission Lines
- 4.2.Radio Spectroscopy of Water
Masers
- 4.3.Determining Central Masses of
Active Galactic Nuclei
- 5.INDIRECT, BUT TANTALIZING EVIDENCE
- 6.ARE THE MASSIVE DARK OBJECTS REALLY BLACK
HOLES?
- 7.THE BLACK-HOLE MASS/BULGE MASS RELATION
- 8.ARE SUPERMASSIVE BLACK HOLES UBIQUITOUS?
- 9.SOME IMPLICATIONS AND FUTURE DIRECTIONS
- REFERENCES