Converted by
Mathematica
March 29, 2001
![[Graphics:../Images/index_gr_39.gif]](../Images/index_gr_39.gif)
![[Graphics:../Images/index_gr_40.gif]](../Images/index_gr_40.gif)
![[Graphics:../Images/index_gr_41.gif]](../Images/index_gr_41.gif)