@InProceedings{	  Kufleitner08,
  author	= "Manfred Kufleitner",
  title		= "The Height of Factorization Forests",
  booktitle	= "Mathematical Foundations of Computer Science 2008, 33rd
		  International Symposium, MFCS 2008, Toru{\'n}, Poland,
		  August 25-29, 2008, Proceedings",
  editor	= "Ochma{\'n}ski, Edward and Tyszkiewicz, Jerzy",
  publisher	= "Springer-Verlag",
  series	= "Lecture Notes in Computer Science",
  volume	= "5162",
  pages		= "443--454",
  year		= "2008",
  doi		= "10.1007/978-3-540-85238-4_36"
}