@phdthesis{oai:tsukuba.repo.nii.ac.jp:00021070,
 author = {白形, 政司 and Shirakata, Masashi},
 month = {},
 note = {1991},
 school = {筑波大学, University of Tsukuba},
 title = {Charge asymmetry in b-quark production at CM energies between 55 and 64 GeV in e+e- annihilation},
 year = {1992}
}