Management Reference Book for Environmental Inspectorates (IMPEL 2003), available at http://europa.eu.int/comm/environment/
impel/managment_reference_book.htm (with examples of good practice from many European countries).
Jeremy Firestone, “Enforcement of Pollution Laws and Regulations: An Analysis of Forum Choice,” in Durwood Zaelke et al., Making Law Work: Environmental Compliance & Sustainable Development, Vol. 2, p. 283 (Cameron May, 2005) (addressing choice of civil vs. criminal enforcement in the United States).
Andreas Gallas & Julia Werner, “Transboundary Environmental Crimes: German Experiences and Approaches,” in Proceedings of the Fifth International Conference on Environmental Compliance and Enforcement, Vol. 1 (INECE 1998), available at http://www.inece.org/5thvol1/gallas.pdf.