1. A conceptual framework for the use of the precautionary principle in law;Ashford,1999
2. An innovation-based strategy for a sustainable environment;Ashford,1999
3. Technology and policy program;Ashford,2000
4. Technology law and the working environment;Ashford,1997
5. The encouragement of technological change for preventing chemical accidents: moving firms from secondary prevention and mitigation to primary prevention;Ashford,1993