1. Carrying capacity;Abernethy;Ethics in Science and Environmental Politics ESEP,2001
2. Environment through economic incentives;Anderson,1977
3. Doing your research project;Bell,1996
4. Who pans whose sustainability. Alternative roles for planners;Briassoulis;Journal of Environmental Planning and Management,1999
5. An ecological perspective on carrying capacity;Buckley;Annals of Tourism Research,1999