L. I. de Winter’s scientific contributions

... Arranged, what are the important roles of object classification, how to obtain property rights of objects, then also how to mobility of objects in the market get certainty about the transfer of property rights, and so on. All of these norms, in order to uphold legal certainty, are worthy of norms that frame objects labeled dwingend recht (de Winter, 1964). ...

Reference:

The Meaning of Indigenous Rights in Fidusian Guarantee in the Perspective of Law Number 42 of 1999 Concerning Fidusian Guarantee

... In the Netherlands, experts close to the Hague Conference on Private International Law have pointed out that even ratification with reservations will lead to inextricable conflicts when the same reservations have not been used, and that the rules in the Hague Conflicts Convention and those in the Uniform Law clash in some respects. 81 Professor Kollewijn of the University of Leiden has recommended that the Netherlands ratify the Hague Convention on Conflict of Laws but not the Convention drafted in April 1964 and, instead, enact the Uniform Law on the International Sale of Goods as legislation, omitting the provision which bars application of the rules of private international law. 82 In my paper in the Yale Law Journal, I have made a somewhat similar suggestion. ...

Reference:

The Conflicts Problems of the Uniform Law on the International Sale of Goods