The never ending story: The constitutionality of Superfund 's retroactive liability regime Author Spence D. Journal/Series ELR News and Analysis | Vol. 32(11); 11284 - 11298; 15 p. Date 2002 Source IUCN (ID: ANA-069016) Publisher | Place of publication Environmental Law Institute | Washington, DC, USA Document type Article in periodical Language English Country/Territory United States of America Subject Environment gen. Keyword Liability/compensation