6 odst.  
Council, with numerous references to earlier case-law; and a series of judgments on Article 33 (ex 39) on the principles of agricultural law, e.g. judgment of the Court of Justice C-265/85, Van den Berg, 1987 ECR 1155: scrutiny of the principle of market stabilisation and of reasonable expectations) and with the approach of the Member States' constitutional systems to &#x2018; principles &#x2019; particularly in the field of social law.  