1. Infrastructure report card;ASCE,2016
2. Infrastructure report card;ASCE,2013
3. Towards UAV-based bridge inspection systems: a review and an application perspective;Chan;Struct. Monit. Maint.,2015
4. Visual inspection strategies for large bridges using Unmanned Aerial Vehicles (UAV);Hallermann,2014
5. Achievements and challenges in machine vision-based inspection of large concrete structures;Koch;Adv. Struct. Eng.,2014