1. Baldwin, R. (1995). Rules and government. Oxford: Clarendon Press.
2. Boehmer-Christiansen, S. (1994). The precautionary principle in Germany-Enabling government. In: T. O'Riordon & J. Cameron (Eds), Interpreting the precautionary principle, pp. 31-60. London: Earthscan.
3. Bradley, K. St. C. (1999). Institutional aspects of comitology: Scenes from the cutting room floor. In: C. Joerges & E. Vos (Eds), EU Committees: Social regulation, law and politics, pp. 71-93. Oxford: Hart Publishing.
4. Breyer, S. (1993). Breaking the vicious circle. Toward effective risk regulation. Cambridge, MA: Harvard University Press.
5. Breyer, S., & Stewart, R. (1992). Administrative law and regulatory policy, third ed. Boston: Little Brown.