3D-reconstruction from vanishing points
@InCollection{perwass201book,
  author = 	 {C. Perwass and J. Lasenby},
  booktitle = 	 {Geometric Computing with Clifford Algebra},
  title = 	 {3D-reconstruction from vanishing points},
  publisher = 	 {Springer-Verlag, Heidelberg},
  year = 	 2001,
  editor =	 {G. Sommer},
  pages =        {371-392}
}