1. ^Smith & Thiers 1971, p. 211.
2. ^Smith & Thiers 1971, p. 138.
3. ^Smith & Thiers 1971, p. 154.
4. ^Smith, Thiers, Watling (1966), p. 153.
5. ^Smith, Thiers, Watling (1966), p. 159.
6. ^Smith & Thiers 1971, p. 155.
7. ^Smith, Thiers, Watling (1966), p. 157.
8. ^Smith, Thiers, Watling (1966), p. 135.
9. ^Smith & Thiers 1971, p. 194.
10. ^Smith, Thiers, Watling (1966), p. 152.
11. ^Smith, Thiers, Watling (1966), p. 146.
12. ^Smith, Thiers, Watling (1966), p. 165.
13. ^Smith & Thiers 1971, p. 191.
14. ^Smith, Thiers, Watling (1966), p. 136.
15. ^Smith, Thiers, Watling (1966), p. 163.
16. ^Smith, Thiers, Watling (1966), p. 160.
17. ^Smith, Thiers, Watling (1966), p. 154.
18. ^Smith, Thiers, Watling (1966), p. 166.
19. ^Smith, Thiers, Watling (1966), p. 162.
20. ^Smith & Thiers 1971, p. 201.
21. ^Smith & Thiers 1971, p. 139.
22. ^Smith, Thiers, Watling (1966), p. 144.
23. ^Smith, Thiers, Watling (1966), p. 138.
24. ^Smith & Thiers 1971, p. 193.
25. ^Smith & Thiers 1971, p. 152.
26. ^Smith & Thiers 1971, p. 200.
27. ^Smith & Thiers 1971, p. 204.
28. ^Smith, Thiers, Watling (1966), p. 142.
29. ^Smith, Thiers, Watling (1966), p. 141.
30. ^Smith & Thiers 1971, p. 210.
31. ^Smith, Thiers, Watling (1966), p. 139.
32. ^Smith & Thiers 1971, p. 205.
33. ^Smith, Thiers, Watling (1966), p. 145.
34. ^Smith & Thiers 1971, p. 131.
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