  
  
  [1XReferences[0X
  
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  [[20XCM09[15X]  [16XJ.  Fields  D. Joyner Cen Tjhai R. Miller T. Boothby R. Baart J.
  Cramwinckel,   E.   R.   and   E.  Minkes,  [15X,  [17XManual  for  GUAVA  -  an
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  [[20XJV02[15X]  [16XJoyner, D. and Verrill, H.[15X, [17X\it Notes on toric varieties, posted
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