Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yagi Ichimasa and Manome Hideo,A Trouble in Measuring Acceleration of the Elevator,Journal of the Physics Education Society of Japan,0385-6992,The Physics Education Society of Japan,1991,39,3,143-145,https://cir.nii.ac.jp/crid/1390282679490569216,https://doi.org/10.20653/pesj.39.3_143