[40] Ibid., p. 63.

[41] Ibid.

[42] Ibid., p. 64.

[43] Op. cit.

[44] Ibid., p. 65.

[45] Ibid.

[46] Op. cit., p. 67.

[47] Ibid., p. 68.

[48] Op. cit., p. 70.

[49] Ibid., p. 71.