[1]A. Gandy, "GEE105 Part 2, Slide 71."
[2]A. Gandy, "GEE105 Part 2, Slide 73."
[3]A. Gandy, "GEE105 Part 2, Slide 75."
[4]A. Gandy, "GEE105 Part 2, Slide 86."