@book{ BA86136768, author = "Hondius, E. H. and Co-ordinating Group and Clive, Eric", title = "Sales (PEL S)", publisher = "Oxford University Press", year = "2008", series = "Principles of European law / Study Group on a European Civil Code", number = "v. 6", URL = "https://ci.nii.ac.jp/ncid/BA86136768" }