How to compare energy performance requirements of Japanese and European office buildingsAhmed, Kaiser; Yoon, Gyuyoung; Ukai, Makiko; Kurnitski, JarekE3S Web of Conferences : CLIMA 2019 Congress, Bucharest, Romania, May 26-29, 20192019 / art. 03038, 8 p https://doi.org/10.1051/e3sconf/201911103038 Conference proceedings at Scopus Article at Scopus