@PhdThesis{Kuells2001,
author="K{\"u}lls, C.",
title="Groundwater of the North-Western Kalahari, Namibia: estimation of recharge and quantification of the flow system",
year="2001",
publisher="Hydrogeologie und Umwelt",
optnote="exported from refbase (http://www.uhydro.de/base/show.php?record=38), last updated on Sat, 29 Aug 2020 22:42:50 +0200",
opturl="https://opus.bibliothek.uni-wuerzburg.de/opus4-wuerzburg/frontdoor/deliver/index/docId/280/file/kuells.pdf",
file=":http://www.uhydro.de/base/files/38\_Kuells2001.pdf:PDF"
}