Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Alexander Lubotzky,Ramanujan Complexes and High Dimensional Expanders,Takagi lectures = 高木レクチャー,21873267,[Kyoto] : The Mathematical Society of Japan,2012-11,11,,29-58,https://cir.nii.ac.jp/crid/1520853834971490816,