@article{oai:repository.dl.itc.u-tokyo.ac.jp:00000463,
 author = {Yamada, Susumu and Okubo, Satoru and Kitagawa, Yoshiko and Takeuchi, Kazuhiko},
 issue = {1},
 journal = {Agriculture, ecosystems & environment},
 month = {Feb},
 note = {application/pdf},
 pages = {88--102},
 title = {Restoration of weed communities in abandoned rice paddy fields in the Tama Hills, central Japan},
 volume = {119},
 year = {2007}
}