| URL | Priority | Change frequency | Last modified (GMT) |
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| https://darbook.org/downloads/richardson-c-the-modern-asphalt-pavement-2010/ | 60% | Monthly | 2019-01-04 00:23 |
| https://darbook.org/downloads/aashto-mechanistic-empirical-pavement-design-guide-a-manual-of-practice-2nd-ed-2015/ | 60% | Monthly | 2018-11-29 14:59 |