1. Indicators and standards of quality at an urban-proximate park: litter and graffiti at Boston harbor islands national recreation areas;Budruk;Journal of Park and Recreation Administration,2006
2. The effect of vehicle traffic on wildlife in Denali National Park;Burson;Artic,2000
3. Making sense of qualitative data: complimentary research strategies;Coffey,1996
4. Daigle, J.J., Lee, B., 2000. Passenger characteristics and experiences with the Island Explorer Bus. Technical Report 00-15. Department of Interior, National Park Service, New England System Support Office, Boston, MA.
5. The convergence of transportation, information technology and visitor experience at Acadia National Park;Daigle;Journal of Travel Research,2004