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		| Paper: | 
		Be-Phenomenon in Neutron Star X-ray Binaries | 
	 
	
		| Volume: | 
		508, The B[e] Phenomenom: Forty Years of Studies | 
	 
	
		| Page: | 
		385 | 
	 
	
		| Authors: | 
		Kühnel, M.; Kretschmar, M. K. P.; Fürst, F.; Pottschmidt, K.; Hemphill, P.; Rothschild, R. E.; Okazaki, A. T.; Sagredo, M.; Wilms, J. | 
	 
	
	
		| Abstract: | 
		In this work we provide a brief insight into two aspects of Be/X-ray binaries, which are probably involved in production of X-ray outbursts: the evolution of the Be star disk, in particular of its size, and the binary geometry which drives gravitational interaction. Simultaneous X-ray and optical data will aid our investigation of the evolution of Be stars in binaries and the X-ray outburst mechanism. | 
	 
	
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