Field citation programs: The ' ticket ' to better environmental compliance Author Sapp W.W. Journal/Series Columbia Journal of Environmental Law | Vol. 20(1); 1- 41; 42 p. Date 1995 Source IUCN (ID: ANA-054674) Publisher | Place of publication Columbia University School of Law | New York, NY, USA Language English Country/Territory United States of America Subject Environment gen. Keyword Enforcement/compliance Offences/penalties