Converted by
Mathematica
March 29, 2001
![[Graphics:../Images/index_gr_68.gif]](../Images/index_gr_68.gif)
![[Graphics:../Images/index_gr_69.gif]](../Images/index_gr_69.gif)
![[Graphics:../Images/index_gr_70.gif]](../Images/index_gr_70.gif)
![[Graphics:../Images/index_gr_71.gif]](../Images/index_gr_71.gif)