@misc{misc389eea9b,
title   = {Comparing indicator effectiveness for monitoring visitor impact at Intervales State Park, Brazil: park ranger-measured versus specialist-measured experience},
author = {Passold, Anna Júlia and Magro, Teresa Cristina and Couto, Hilton Thadeu Zarate do},
year = {2004},
booktitle   = {International Conference on Monitoring and Management of Visitor Flows in Recreational and Protected Areas}
}