@misc{atsushi-a, title = {Ab-initio phonon calculation for RbAl3(P3O10)2 / C222_1 (20) / materials id 555621}, author = {Atsushi Togo}, publisher = {NIMS}, year = {}, keywords = {Phonon, RbAl3(P3O10)2, C222_1 (20)} }