Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
YOSHIDA Naoki and SUGIYAMA Naoshi,The 21-cm signature of early relic HII regions,Monthly Notices of the Royal Astronomical Society 395,,,2009,,,777-780,https://cir.nii.ac.jp/crid/1010282257412819072,