@article{oai:jaxa.repo.nii.ac.jp:00024796, author = {田村, 隆幸 and 池辺, 靖 and 牧島, 一夫 and 松下, 恭子 and 粟木, 久光 and Loewenstein, M. and Mushotzky, R. F. and Tamura, Takayuki and Ikebe, Y. and Makishima, K. and Matsushita, K. and Awaki, H. and Serlemitsos, P. J.}, issue = {1}, journal = {The Astrophysical Journal Letters}, month = {Nov}, note = {Accepted: 1994-08-28, 資料番号: SA1001497000}, pages = {L75--L78}, title = {Discovery and implications of very low metal abundances in NGC 1404 and NGC 4374}, volume = {436}, year = {1994} }