Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Makita Yasuharu and Suzuki Shigeru,The Origin of Weak Extra Bragg Reflections in the Antiferroelectric Phase of Cu(HCOO)2ยท4H2O,Journal of the Physical Society of Japan,0031-9015,THE PHYSICAL SOCIETY OF JAPAN,1973,34,1,278-278,https://cir.nii.ac.jp/crid/1390001204194829056,https://doi.org/10.1143/jpsj.34.278