Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
SAKAI Takao,Recreation with Toys in Mathematics and Science,Journal of the Japan Society for Precision Engineering,09120289,The Japan Society for Precision Engineering,2000,66,9,1339-1342,https://cir.nii.ac.jp/crid/1390282679773964672,https://doi.org/10.2493/jjspe.66.1339