| File / Fichier | Grootte (bytes) / Taille (octets) | |
 | 20_1.pdf | 437168 |
| 20_1S.pdf | 317004 |
| 20_2.pdf | 3485726 |
| 20_2_2.pdf | 2832702 |
| 20_2_3.pdf | 3269353 |
| 20_2_4.pdf | 3030116 |
| 20_2_5.pdf | 2568568 |
| 20_2_6.pdf | 2853012 |
| 20_2_7.pdf | 3526231 |
| 20_2S.pdf | 312379 |
| 20_3.pdf | 1587009 |
| 20_3S.pdf | 342911 |
| 20_4.pdf | 352066 |
| 20_4S.pdf | 317499 |