@misc{oai:tsukuba.repo.nii.ac.jp:00014656,
 author = {Liu, Chorng Jian and Ryu, Suken},
 month = {},
 note = {1988, 【要旨】},
 title = {A welfare economic anaysis of the local telephone pricing policy in Taiwan : the optimal two-part tariff},
 year = {1989}
}