Chapter 2 Figure 2.36 Bottom left (2.4mb) Figure 2.36 Bottom right (664.6kb) Figure 2.36 Top left (1.1mb) Figure 2.36 Top right (1.4mb) Figure 2.40 Bottom (672.6kb) Figure 2.40 Middle (798.9kb) Figure 2.40 Top (1.1mb)