Guo Chang-xin, Zhang Wei-ping, Shi Chao-Shu. MECHANISM OF ENERGY TRANSFER FROM A TRACE OF Tb<sup>3+</sup> TO RE<sup>3+</sup> (Eu<sup>3+</sup>, Sm<sup>3+</sup>, Dy<sup>3+</sup>) IN Y<sub>2</sub>O<sub>2</sub>S PHOSPHOR[J]. Chinese Journal of Luminescence, 1981,2(2): 45-57
Guo Chang-xin, Zhang Wei-ping, Shi Chao-Shu. MECHANISM OF ENERGY TRANSFER FROM A TRACE OF Tb<sup>3+</sup> TO RE<sup>3+</sup> (Eu<sup>3+</sup>, Sm<sup>3+</sup>, Dy<sup>3+</sup>) IN Y<sub>2</sub>O<sub>2</sub>S PHOSPHOR[J]. Chinese Journal of Luminescence, 1981,2(2): 45-57DOI: