@article{Qian_Denghui_Using_2017,
 author={Qian, Denghui and Shi, Zhiyu},
 volume={vol. 42},
 number={No 4},
 howpublished={online},
 journal={Archives of Acoustics},
 year={2017},
 publisher={Committee on Acoustics PAS, PAS Institute of Fundamental Technological Research, Polish Acoustical Society},
 title={Using PWE/FE Method to Calculate the Band Structures of the Semi-Infinite PCs: Periodic in x–y Plane and Finite in z -direction},
 doi={10.1515/aoa-2017-0076},
}