@phdthesis{Si2005Pixel-based-1,
 address = {Konstanz, Germany},
 author = {Sips, Mike},
 month = {Jun},
 note = {Defense Date: 03.06.2005},
 school = {University of Konstanz},
 title = {Pixel-based Visual Data Mining in Large Geo-Spatial Point Sets},
 year = {2005}
}