共 16 条
[5]
Ilday FÖ, 2003, OPT LETT, V28, P1365, DOI 10.1364/OL.28.001365
[9]
Piskarskas A., 1986, Soviet Physics - Uspekhi, V29, P869, DOI 10.1070/PU1986v029n09ABEH003501