![[IEEE 2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium - San Juan, Puerto Rico (22-25 Oct. 2000)] 2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121) - Aspheric lens design]()
[IEEE 2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium - San Juan, Puerto Rico (22-25 Oct. 2000)] 2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121) - Aspheric lens designMin-Kang Chao, ; Sheng-Wen Cheng, · 2000