H.Aoki,A.Ochiai,M.Oshikawa and K.Ueda.: "Magnetic Anisotropy in Yb_4As_3 with One-dimensional Yb^<3+> Chains"Physica B. 281&282. 465-467 (2000)
H.Aoki,A.Ochiai,M.Oshikawa and K.Ueda.: "Magnetic Anisotropy in Yb_4As_3 with One-dimensional Yb^<3+> Chains"Physica B. 281&282. 465-467 (2000)