1. National Geographic
, Mega Factories Eurofighter Typhoon (National Geographic, 2012)
2. Joseph, C.,
Tammy, H., and
Sophia, K.
, F-16 Confined Space Technical Guidance Document (United air force IERA, 2002)
3. Federal Aviation Administration (FAA), DOT
. "Wing Corrosion AD Issued for early Piper PA-28s," 2020 November 23, https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgad.nsf/0/1435453a14d21fb6862586290049fc9f/$FILE/2020-24-05.pdf, accessed March. 2021.
4. DRÄGER
. “Tank Tasks. DRÄGER Review 121,” 2020. https://www.draeger.com/Corporate/Content/DR_121_Tank_Tasks.pdf, accessed April, 2021.
5. Martyn, Z.
, “Airmen Repair KC-10 Extender Fuel Tanks,” 2017 April 6. https://www.jbmdl.jb.mil/News/Article-Display/Article/1143955/airmen-repair-kc-10-extender-fuel-tanks/, accessed october, 2021.