@phdthesis{oai:tsukuba.repo.nii.ac.jp:00011151,
 author = {宮下, 雄次 and Miyashita, Yuji},
 month = {},
 note = {1996},
 school = {筑波大学, University of Tsukuba},
 title = {Effects of environmental change on the water balance in Sri Lanka},
 year = {1997}
}