Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 大垣 尚司,Earnest Money for Cancellation as an Option Strategy,立命館法学,04831330,立命館大学法学会,2014-02,351,,2224-2256,https://cir.nii.ac.jp/crid/1390572174831116544,https://doi.org/10.34382/00006922