@TechReport{stein2008expsoa,
   author="Stein, Sebastian",
   title="Business-Oriented Service Description in a Virtual Automotive Group",
   institution="ARIS Expert Paper",
   year="2008",
   month="May",
   address="Saarbrücken, Germany"
}
%   note="http://www.aris.com/set/6473/ARIS_Expert_Paper-SOA-Service_Description_-_Stein_2008-05_en.pdf"