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Yang S, Ai Y, Cheng Z, Zhang L, Jia L, Dong B, Zhang B, Wang J, Zhang Y. Method of the out-of-band rejection improvement of the AlN based surface acoustic wave filters. Ultrasonics. 2019 Jan;91():30–3. doi: 10.1016/j.ultras.2018.07.008. PMID: 30056273. |