Fisher, E., Jones, J., & von Schomberg, R. (2006). Implementing the precautionary principle: Perspectives and prospects. Edward Elgar Publishing Ltd.

Fisher, E., J. Jones, and R. von Schomberg. Implementing the Precautionary Principle: Perspectives and Prospects. Edward Elgar Publishing Ltd, 2006.

Fisher, E., et al. Implementing the Precautionary Principle: Perspectives and Prospects. Edward Elgar Publishing Ltd, 2006.