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		| Paper: | 
		Optical properties of disc galaxies | 
	 
	
		| Volume: | 
		275, Disks of Galaxies: Kinematics, Dynamics and Perturbations | 
	 
	
		| Page: | 
		3 | 
	 
	
		| Authors: | 
		Freeman, K. C. | 
	 
	
	
		| Abstract: | 
		I will review the optical properties of disk galaxies. Topics include the structure of disks, their star formation history, the Tully-Fisher law, and pure disk galaxies, | 
	 
	
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