著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Sean M. Mills and Daniel C. Fabrycky,"Mass, Density, and Formation Constraints in the Compact, Sub-Earth Kepler-444 System including Two Mars-mass Planets",The Astrophysical Journal Letters,2041-8205,American Astronomical Society,2017-03-20,838,1,L11,https://cir.nii.ac.jp/crid/1362544420323254144,https://doi.org/10.3847/2041-8213/aa6543