Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Takayama Masaji and Yamagishi Tetsuo,Multi-Function Watch with Two-Layer Liquid Crystal Panel,Journal of the Horological Institute of Japan,00290416,The Horological Institute of Japan,1979,90,0,60-70,https://cir.nii.ac.jp/crid/1390282681548089600,https://doi.org/10.20805/tokeieafj.90.0_60