@article{oai:repository.dl.itc.u-tokyo.ac.jp:00000496, author = {立入, 郁 and 武内, 和彦}, journal = {環境情報科学 = Environmental information science}, month = {}, pages = {107--112}, title = {中国内蒙古自治区奈蔓旗における土地条件と砂漠化面積変動の関連性}, volume = {12}, year = {1998} }