@misc{	  Mueller:2013,
  author	= {Stefan M{\"u}ller},
  title		= {On the Copula, Specificational Constructions and Type Shifting},
  note          = {Ms. Freie Universit{\"a}t Berlin},
  url		= {https://hpsg.hu-berlin.de/~stefan/Pub/copula.html},
  url_checked	= {31.10.2012},
  year		= {2013}
}