Ex. 13b p. 107 Ex. 14 Ex. 14 p. 102 Ex. 14 p. 14 Ex. 14 p. 21 Ex. 14 p. 28 Ex. 14 p. 38 Ex. 14 p. 43 Ex. 14 p. 57 Ex. 14 p. 73 Ex. 14 p. 95 Ex. 14 p. 97 Ex. 140-142 Ex. 143-145 Ex. 146-148 Ex. 149-151 Ex. 15 Ex. 15 p. 108 Ex. 15 p. 14 Ex. 15 p. 16 Ex. 15 p. 43 Ex. 15 p. 51 Ex. 15 p. 55 Ex. 15 p. 66 Ex. 15 p. 73 Ex. 15 p. 79 Ex. 15 p. 8 Ex. 15 p. 85 Ex. 15 p. 97 Ex. 15-16 Ex. 152-154 Ex. 155 Ex. 156 Ex. 157 Ex. 158 Ex. 159 Ex. 15b p. 22 Ex. 16 Ex. 16 p. 10 Ex. 16 p. 101 Ex. 16 p. 102 Ex. 16 p. 107 Ex. 16 p. 15 Ex. 16 p. 16 Ex. 16 p. 20 Ex. 16 p. 22 Ex. 16 p. 28 Ex. 16 p. 38 Ex. 16 p. 43 Ex. 16 p. 51 Ex. 16 p. 58 Ex. 16 p. 61 Ex. 16 p. 65 Ex. 16 p. 66 Ex. 16 p. 74 Ex. 16 p. 86 Ex. 16 p. 9 Ex. 16 p. 95 Ex. 16 p. 97 Ex. 16 p.58 Ex. 160 Ex. 161 Ex. 162 Ex. 163 Ex. 164 Ex. 17 Ex. 17 A Ex. 17 p. 10 Ex. 17 p. 108 Ex. 17 p. 21 Ex. 17 p. 22 Ex. 17 p. 36 Ex. 17 p. 39 Ex. 17 p. 51 Ex. 17 p. 58 Ex. 17 p. 65 Ex. 17 p. 66 Ex. 17 p. 74 Ex. 17 p. 86 Ex. 17A Ex. 17d p. 80 Ex. 18 Ex. 18 p. 108 Ex. 18 p. 11 Ex. 18 p. 23 Ex. 18 p. 39 Ex. 18 p. 52 Ex. 18 p. 59 Ex. 18 p. 61 Ex. 18 p. 81 Ex. 18 p. 86 Ex. 19 Ex. 19 p. 109 Ex. 19 p. 39 Ex. 19 p. 44 Ex. 19 p. 45 Ex. 19 p. 66 Ex. 19 p. 67 Ex. 19 p. 75 Ex. 19 p. 87