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		| Paper: | 
		Nonlinear Survey of RRd Models | 
	 
	
		| Volume: | 
		203, The Impact of Large-Scale Surveys on Pulsating Star Research, IAU Colloquium 176 | 
	 
	
		| Page: | 
		374 | 
	 
	
		| Authors: | 
		Szabó, R.; Kolláth, Z.; Csubry, Z.; Buchler, J. R. | 
	 
	
	
		| Abstract: | 
		We used our nonlinear hydrodynamical code with turbulent convection to model RR Lyrae stars. In some regime this approach produces double-mode solutions. We investigated series of models with different parameters (metallicity, luminosity, etc.). Our goal was to estimate the width of the double-mode region. The resulting tendencies can be directly compared with observational properties. | 
	 
	
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