@InCollection{	  AllenderH90mfcs,
  title		= "On the Power of Uniform Families of Constant Depth
		  Threshold Circuits",
  year		= "1990",
  volume	= "452",
  pages		= "158--164",
  publisher	= "Springer",
  address	= "Berlin",
  series	= "Lecture Notes in Computer Science",
  booktitle	= "Mathematical foundations of computer science ({B}ansk{\'a}
		  {B}ystrica, 1990)",
  doi		= "10.1007/BFb0029603",
  author	= "Allender, Eric and Hertrampf, Ulrich"
}