Converted by
Mathematica
March 29, 2001
![[Graphics:../Images/index_gr_75.gif]](../Images/index_gr_75.gif)
![[Graphics:../Images/index_gr_78.gif]](../Images/index_gr_78.gif)
![[Graphics:../Images/index_gr_79.gif]](../Images/index_gr_79.gif)