@TechReport{hksw-srgal-99,
author = { Frank Hoffmann and Klaus Kriegel and Sven Sch{\"o}nherr and Carola Wenk },
title = { A Simple and Robust Geometric Algorithm for Landmark Registration in Computer Assisted Neurosurgery },
year = { 1999 },
month = { December },
number = { B 99-21 },
institution = { Freie Universit{\"a}t Berlin, Fachbereich Mathematik und Informatik, Germany },
}
