Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kobayashi Tatsuo C. and Honda Hajime and Koda Akihiro and Amaya Kiichi,Low Temperature Thermal and Magnetic Properties of Cu-Doped Haldane Gap Antiferromagnet NENP.,Journal of the Physical Society of Japan,00319015,THE PHYSICAL SOCIETY OF JAPAN,1995,64,7,2609-2613,https://cir.nii.ac.jp/crid/1390282679157835392,https://doi.org/10.1143/jpsj.64.2609