Kovačić, N. und Grofelnik, H. 2025. The impact of tourism on the environment in legally protected areas – a study of the connection between the carbon footprint of road traffic and tourism using the example of the Učka tunnel in the Učka nature park. Turizam i zaštićena područja: zbornik radova sa znanstvenog kolokvija. N. Bašić und J. Faričić, Hrsg. Morepress Books. 163–181.