@TechReport{MertziosSauZaksAIB0905,
 author =       "George B. Mertzios and Ignasi Sau and Shmuel Zaks",
 title =        "A New Intersection Model and Improved Algorithms for Tolerance Graphs",
 institution =  "RWTH Aachen",
 year =         "2009",
 number =       "AIB-2009-05",
 month =        "March",
 url =          "http://aib.informatik.rwth-aachen.de/2009/2009-05.pdf"
}