[Graphics:Images/hyp4_gr_1.gif]
[Graphics:Images/hyp4_gr_2.gif]
[Graphics:Images/hyp4_gr_3.gif]
[Graphics:Images/hyp4_gr_4.gif]
[Graphics:Images/hyp4_gr_5.gif]
[Graphics:Images/hyp4_gr_6.gif]

[Graphics:Images/hyp4_gr_7.gif]


Converted by Mathematica      October 26, 2000