@phdthesis{Hassel07doc,
author =  {Hassel, Martin},
title =   {{Resource Lean and Portable Automatic Text Summarization}},
school =  {School of Computer Science and Communication, Royal Institute of Technology},
address = {Stockholm, Sweden},
year =    {2007},
month =   {June},
type =    {{PhD} thesis},
url =     {http://nlp.lacasahassel.net/publications/hasselthesis07phd.pdf},
}