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          | APPLIED GEOPHYSICS    
	          2024 21 (4): 
	          697-714   
	          ISSN: 1672-7975  CN: 11-5212/O
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                | Travel time tomography by ray tracing using the fast sweeping method | 
               
              
                | Huai-gu Tang, Ren-jun Xie*, Yi Wu, Chang-suo Zhou, Jun-liang Yuan, and Wei Qin | 
               
              
                | 1. CNOOC Research Institute, Beijing, China, 100028 | 
               
              
                | Received: 2024-01-05  Revised: 2024-04-10  Online: null | 
               
              
                Supporting info
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