Chapter 9

x.ix.ix-p1.2

x.ix.ix-p3.2

x.ix.ix-p4.2

x.ix.ix-p5.2

x.ix.ix-p6.4

x.ix.ix-p8.2

x.ix.ix-p10.2

x.ix.ix-p11.2

x.ix.ix-p12.4

x.ix.ix-p13.6

x.ix.ix-p14.2

x.ix.ix-p16.8

x.ix.ix-p17.4

x.ix.ix-p18.2

x.ix.ix-p19.3

x.ix.ix-p20.4

x.ix.ix-p21.4