@phdthesis{oai:tsukuba.repo.nii.ac.jp:00021054,
 author = {河野, 孝央 and Kawano, Takao},
 month = {},
 note = {1992},
 school = {筑波大学, University of Tsukuba},
 title = {Studies of radioactivity measurements by the sum-peak method},
 year = {1993}
}