@phdthesis{oai:tsukuba.repo.nii.ac.jp:00027560,
 author = {ZHAO, Chao and 趙, 超},
 month = {},
 note = {2012, Includes bibliographical references},
 school = {筑波大学, University of Tsukuba},
 title = {Study on Water Purification Using Tungsten Trioxide Photocatalyst under Visible Light},
 year = {2012}
}