@Article{ehkkrw-ce-04,
author = { Alon Efrat and Frank Hoffmann and Christian Knauer and Klaus Kriegel and G{\"u}nter Rote and Carola Wenk },
title = { Covering with Ellipses },
journal = { Algorithmica },
year = { 2003 },
volume = { 38 },
number = { 1 },
note = { Special Issue on Shape Algorithmics },
}
