@inbook{8713bb2c0d97430c91683d4181a883b4,
title = "System Aqua – a Swedish system for assessing nature conservation values of fresh waters",
keywords = "lakes, running waters, nature conservation, system aqua, lakes, running waters, nature conservation, system aqua",
author = "Eva Willen",
year = "2009",
language = "English",
isbn = "978-0-521-84885-5",
series = "Biodiversity and Conservation",
publisher = "Cambridge University Press",
pages = "200–217",
booktitle = "Assessing the Conservation Value of Fresh Waters: An International Perspective",
address = "United Kingdom",
}