@phdthesis{oai:tsukuba.repo.nii.ac.jp:00021216,
 author = {柯, 福艶},
 month = {},
 note = {2009, Includes bibliographical references (leaves 141-150)},
 school = {筑波大学, University of Tsukuba},
 title = {Irrigation's roles and a type of sustainable agricultural development in arid areas of Northwest China},
 year = {2009}
}