@TechReport{hikk-pep2a-98,
author = { Frank Hoffmann and Christian Icking and Rolf Klein and Klaus Kriegel },
title = { The Polygon Exploration Problem II : The Angle Hull },
year = { 1998 },
number = { 245 },
institution = { Fernuniversit{\"a}t Hagen, Praktische Informatik VI },
}
