  
JETP, Vol. 49, 
No. 1,
p. 129 (January 1979) 
(Russian original - ZhETF, 
	Vol. 76, 
	No. 1, 
	p. 251,
	January 1979
)
  
	Free and self-localized Wannier-Mott excitons in ionic crystals and activation energy of their mutual thermal conversion
 
	S.I. Pekar, E.I. Rashba, V.I. Sheka
  
	Received: July 7, 1978
  
	 
	 
	 
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