Converted by
Mathematica
March 29, 2001
![[Graphics:../Images/index_gr_67.gif]](../Images/index_gr_67.gif)
![[Graphics:../Images/index_gr_72.gif]](../Images/index_gr_72.gif)
![[Graphics:../Images/index_gr_73.gif]](../Images/index_gr_73.gif)