@Book{Wittenberg2005,
author="Wittenberg, R.",
title="Environment",
year="2005",
publisher="CABI Bioscience Switzerland Centre report to the Swiss Agency for Environment, Forest and Landscape.",
optnote="exported from refbase (http://demo.refbase.net/show.php?record=2481), last updated on Fri, 04 May 2012 16:22:44 +0200"
}