1. Greenpeace uses market to make business ‘green up’ its act;Levene;Reuters World Service,1994
2. Case study: company puts faith in freon-free fridge;Walsh;Los Angeles Times,1995
3. EDF and the third wave environmentalism;Krupp;Pulp and Paper,1994
4. Fred Krupp: a different kind of environmentalist;Miller;Industry Week,1994
5. Exploiting green strategies for competitive advantage;Azzone;Long Range Planning,1994