@article{oai:jaxa.repo.nii.ac.jp:00026848, author = {阪本, 成一 and Sakamoto, Seiichi}, issue = {2}, journal = {The Astrophysical Journal}, month = {Oct}, note = {Accepted: 1999-05-11, 資料番号: SA1003550000}, pages = {701--708}, title = {Mass and Physical Conditions of Molecular Gas at Cosmological Distances Probed with CO Lines}, volume = {523}, year = {1999} }