@Article{Baader2003,
  author = {Franz Baader and Diego Calvanese and Deborah L. McGuinness and Daniele Nardi},
  title  = {The Description Logic Handbook: Theory, Implementation, and Applications},

  year   = {2003},
  number = {},
  url    = {http://www.amazon.com/Description-Logic-Handbook-Implementation-Applications/dp/0521876257/ref=pd_bbs_sr_1?ie=UTF8&s=books&qid=1194967964&sr=8-1},

  const  = {\ text}
}