Space symmetry of effective physical constants for biaxial crystals
Fuan Liu(刘孚安), Zeliang Gao(高泽亮), XinYin(尹鑫), and Xutang Tao(陶绪堂)
中国物理B . 2021, (2): 26104 -0 .  DOI: 10.1088/1674-1056/abcf99