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		| Paper: | Temporal variation of activity of the soft X-ray transient Aql X--1 |  
		| Volume: | 261, The Physics of Cataclysmic Variables and Related Objects |  
		| Page: | 549 |  
		| Authors: | šimon, V. |  
		| Abstract: | The analysis of the recurrence time TC of the outbursts in Aql X--1, using the method of the O-C residuals, revealed that the character of the O-C curve bears a large similarity to the dwarf novae. The prevailing value of TC is 211 days but several large jumps occurred. |  
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