(a), p. 12 (a), p. 13
(a), p. 14 (a), p. 15
(a), p. 16 (a), p. 17
(a), p. 18 (a), p. 19
(a), p. 20 (b), p. 21
(b), p. 22 (b), p. 23
(b), p. 24 (b), p. 1
(b), p. 2 (b), p. 3
(b), p. 4 (b), p. 5
(b), p. 6 (b), p. 7