1. Factors related to Grizzly bear–human interactions in Denali National Park;Albert;Wildlife Society Bulletin,1991
2. The theory of planned behaviour;Ajzen;Organizational behaviour and human decision processes,1991
3. Persuasive Communication theory in social psychology;Ajzen,1992
4. Interpreting ‘visions’;Ballantyne,1998
5. Enhancing environmental conceptions;Ballantyne;Studies in Higher Education,1995