Ask for help

[=?gb2312?q?f=20f?=]

Dear Sirs:
    In my paper for revision, I need the followed
reference in urgent.Will anyone in your convience help
me to find it. 
   Feito F R,J C Torres. A Urena: Orientation,
simplicity, and inclusion test for planar polygons.
Computer & Graphics,1995,19(4):595-600.
   Feito F R, J C Torres. Inclusion test for general
polyhedra. Computer & Graphics,1997, 21(1):23-30.
   Thank you very much!
 
Ding jian(jjjjcrack at yahoo.com.cn)


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