@article{CTT100626871,
  author = {Shigeki Osugi and Y. Kitaoka and M. Azuma and Y. Fujishiro and M. Takano and T. Nagata and H. Fujino and J. Akimitsu},
  title = {Cu NMR/NQR Studies on Magnetism in Impurity/Hole-Doped Spin-Ladder Compounds},
  journal = {Hyperfine Interactions,},
  year = 2001,
}

@article{CTT100625117,
  author = {S. Ohsugi and Y. Kitaoka and M. Azuma and Y. Fujishiro and M. Takano},
  title = {Antiferromagnetic Long-Range Order in Ni-Doped Spin-Ladder Compound SrCu2O3},
  journal = {Physica B},
  year = 2000,
}

@article{CTT100622360,
  author = {S Ohsugi and Y. Tokunaga and K. Ishida and Y. Kitaoka and M. Azuma and Yoshie Fujishiro and M. Takano},
  title = {Impurity-Induced Staggered Polarization and Antiferromagnetic Order in Spin-1/2 Heisenberg Two-Leg Ladder Compound SrCu2O3: Extensive Cu NMR and NQR Studies},
  journal = {Phys. Rev. B},
  year = 1999,
}

@article{CTT100625119,
  author = {S. Ohsugi and Y. Kitaoka and You Tokunaga and K. Ishida and M. Azuma and Y. Fujishiro and M. Takano},
  title = {Impurity Effect of the Spin-Ladder System SrCu2O3},
  journal = {Physica B},
  year = 1999,
}

@article{CTT100627130,
  author = {Z. Hiroi and M. Azuma and Y. Fujishiro and T. Saito and M. Takano and Fujio Izumi and T. Kamiyama and Takushi Ikeda},
  title = {Structural Study of the Quantum-Spin Chain Compound (VO)2P2O7},
  journal = {J. Solid State Chem.,},
  year = 1999,
}

@article{CTT100627131,
  author = {M. Azuma and T. Saito and Y. Fujishiro and Z. Hiroi and M. Takano and F. Izumi and T. Kamiyama and T. Ikeda and Y. Narumi and K. Kindo},
  title = {High-Pressure Form of (VO)2P2O7: A Spin-1/2 Antiferromagnetic Alternating-Chain Compound with One Kind of Chain and a Single Spin Gap},
  journal = {Phys. Rev. B},
  year = 1999,
}

@article{CTT100626869,
  author = {M. Azuma and Y. Fujishiro and M. Takano and M. Nohara and ひでのり たかぎ and S. Ohsugi and Y. Kitaoka and R.S. Eccleston},
  title = {Impurity Effects on a Two-Leg Spin Ladder Compound SrCu2O3},
  journal = {J. Mag. Mag. Mat.,},
  year = 1998,
}

@article{CTT100625130,
  author = {N. Fujiwara and Hiroshi Yasuoka and Y. Fujishiro and M. Azuma and M. Takano},
  title = {NMR Study of Zn Doping Effect in Spin Ladder System SrCu2O3},
  journal = {Phys. Rev. Lett.},
  year = 1998,
}

@article{CTT100626868,
  author = {N. Fujiwara and H. Yasuoka and Y. Fujishiro and M. Azuma and M. Takano},
  title = {Nuclear Magnetic Resonance in the Ladder System Sr(ZnxCu1-x)2O3},
  journal = {J. Mag. Mag. Mat.},
  year = 1998,
}

@article{CTT100626870,
  author = {M. Takano and M. Azuma and Y. Fujishiro and M. Nohara and H. Takagi and Naoki Fujiwara and H. Yasuoka and Shigeki Osugi and Y. Kitaoka and R.S. Eccleston},
  title = {Impurity Effects on a 2-Leg Spin Ladder Compound SrCu2O3},
  journal = {Physica C},
  year = 1997,
}

@article{CTT100626850,
  author = {M. Azuma and Y. Fujishiro and M. Takano and Minoru Nohara and ひでのり たかぎ},
  title = {Switching of the Gapped Single Spin-Liquid State to an Antiferromagnetically Ordered State in Sr(Cu1-xZnx)2O3},
  journal = {Phys. Rev. B,},
  year = 1997,
}