[Graphics:Images/t1_gr_1.gif]
[Graphics:Images/t1_gr_2.gif]
[Graphics:Images/t1_gr_3.gif]
[Graphics:Images/t1_gr_4.gif]
[Graphics:Images/t1_gr_5.gif]

[Graphics:Images/t1_gr_6.gif]

[Graphics:Images/t1_gr_7.gif]
[Graphics:Images/t1_gr_8.gif]
[Graphics:Images/t1_gr_9.gif]
[Graphics:Images/t1_gr_10.gif]

[Graphics:Images/t1_gr_11.gif]

[Graphics:Images/t1_gr_12.gif]

Converted by Mathematica      June 2, 2002