References
  
  [CM08] D. Joyner Cen Tjhai R. Miller T. Boothby R. Baart J. Cramwinckel,
  E.  R.  and  E.  Minkes,  , Manual for GUAVA - an error-correcting codes
  package for GAP, version 3.2., www.gap-system.org/pkg/guava/ (2008)
  
  [Ful93]   Fulton,   W.,   Introduction  to  toric  varieties,  Princeton
  University Press (1993)
  
  [JV02]  Joyner, D. and Verrill, H., \it Notes on toric varieties, posted
  at  Math ArXiV, http://front.math.ucdavis.edu/math.AG/0208065, (appeared
  as   {\it   Computing   with   toric  varieties},  Journal  of  Symbolic
  Computation, Volume 42, Issue 5, May 2007, Pages 511-532) (2002)
  
  
  
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