Converted by
Mathematica
June 18, 2004
![[Graphics:../Images/index_gr_17.gif]](../Images/index_gr_17.gif)
![[Graphics:../Images/index_gr_18.gif]](../Images/index_gr_18.gif)
![[Graphics:../Images/index_gr_19.gif]](../Images/index_gr_19.gif)