|   | 
				
					
	
		  | 
	 
	
		| Paper: | 
		Radial Density Waves | 
	 
	
		| Volume: | 
		106, The Minnesota Lectures on Extragalactic Neutral Hydrogen | 
	 
	
		| Page: | 
		141 | 
	 
	
		| Authors: | 
		Struck, Curtis | 
	 
	
	
		| Abstract: | 
		Introduction: Radial Versus Spiral Density Waves; Basic Theory of Ring Waves; A Few Words About Gas Dynamics in Rings; Observational Glues from Rings About SF Processes; Star Formation Processes; Recent Models; Conclusions | 
	 
	
		| 
			
			
		 | 
	 
	
		  | 
	 
 
					 
				 | 
				  |