"Kaoru Nishina,Amana Hiraga,Yasuhito Fujita","Procurement of Building Stone of the Former Crown Prince's PalaceiAkasaka Palacej \Progress in Employment of Building Stone in Modern Japan 1\","Architectural Institute of Japan Annual meeting","Journal of Architectural Institute of Japan Annual meeting","Architectural Institute of Japan","Vol. 2020",,"pp. 263-264",2020,Sept.