@article{CTT100846862, author = {KAGRA Collaboration and Kentaro Somiya}, title = {Overview of KAGRA : KAGRA science}, journal = {Progress of Theoretical and Experimental Physics}, year = 2020, } @article{CTT100846863, author = {Kentaro Somiya and KAGRA Collaboration}, title = {Overview of KAGRA : Detector design and construction history}, journal = {Progress of Theoretical and Experimental Physics}, year = 2020, }