Media type: E-Article Title: Test of general relativity by a pair of transportable optical lattice clocks Contributor: Takamoto, Masao; Ushijima, Ichiro; Ohmae, Noriaki; Yahagi, Toshihiro; Kokado, Kensuke; Shinkai, Hisaaki; Katori, Hidetoshi imprint: Springer Science and Business Media LLC, 2020 Published in: Nature Photonics Language: English DOI: 10.1038/s41566-020-0619-8 ISSN: 1749-4885; 1749-4893 Origination: Footnote: