The integration of voluntary agreements into existing legal systems Author Barth R., Dette B. Journal/Series ELNI Review | No. 1; 20 - 29; 10 p. Date 2001 Source IUCN (ID: ANA-067344) Publisher | Place of publication Environmental Law Network (ELNI) | Darmstadt, Germany Document type Article in periodical Language English Country/Territory European Union Subject Environment gen. Keyword Policy/planning Self-regulation Business/industry/corporations