From Stockholm to Rio: A comparison of the declaratory principles of international environmental law Author Panjabi R.K.L. Journal/Series Denver Journal of International Law and Policy | Vol. 21(2); 215 - 287; 73 p. Date 1993 Source IUCN (ID: ANA-049605) Publisher | Place of publication University of Denver College of Law | Denver, CO, USA Language English Field of application International Subject Environment gen. Keyword Soft law