WEEK 2
  Lecture 2.1 (postscript, pdf)
  Lecture 2.2 (postscript, pdf)

WEEK 3
  Lecture 3.1 (postscript, pdf)
  Lecture 3.2 (postscript, pdf)

WEEK 4
  Lecture 4.1 (postscript, pdf)
  Lecture 4.2 (postscript)

WEEK 5
  Lecture 5.1 (postscript)
  Lecture 5.2 (postscript)

WEEK 6
  Lecture 6.1 (postscript)
  Lecture 6.2 (pdf)

WEEK 7
  Lecture 7.1 (pdf)
  Lecture 7.2 (pdf)

WEEK 8
  Lecture 8.1 (pdf)
  Lecture 8.2 (postscript)

WEEK 9
  Lecture 9.1 (postscript)
  Lecture 9.2 (pdf)