Vendors
https://www.sensefly.com/drones/swinglet-cam.html
FAA/Legal
http://knowbeforeyoufly.org/for-business-users/
Processing
Photogrammetry with UAV acquired imagery in Agisoft
https://www.youtube.com/watch?v=CG11F0RX8WE
Aerial data processing with Agisoft
https://www.youtube.com/watch?v=-fYOB8VPDnk
UAV orthomosaic Agisoft & QGIS
https://www.youtube.com/watch?v=ZGmwjgMvkU0
GDAL and Agisoft
https://www.youtube.com/watch?v=vmGC_W9besQ
Links
http://vterrain.org/Imagery/self.html
Literature
http://www.elsevier.com/books/small-format-aerial-photography/aber/978-0-444-53260-2#
Other Links
https://phantompilots.com/threads/gis-3d-ir-geo-referenced-maps-by-uav.28170/
http://community.uavcoach.com/topic/1382-mavic-and-mapping/
https://commercialdrones.fm/podcast/dji-mavic-pro-drone-inspection-mapping/
https://www.quora.com/Image-Processing-Is-there-a-PIX4D-open-source-like-software
Commercial Pilot Test Prep
https://www.faa.gov/uas/getting_started/fly_for_work_business/becoming_a_pilot/
https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/media/remote_pilot_study_guide.pdf
http://blogs.drone360mag.com/karascorner/2017/01/19/how-to-prepare-for-more-than-the-part-107-knowledge-test/
https://www.faa.gov/training_testing/training/
https://www.faa.gov/training_testing/testing/test_questions/media/uag_sample_exam.pdf