[1] Final Rule: Transport Airplane Fuel Tank System Design Review, Flammability Reduction, and Maintenance and Inspection Requirements. 66 FR 23085, Jun. 6, 2001.
[2] Advisory Circular 25.981-1C: Fuel Tank Ignition Source Prevention Guidelines, Sep. 19, 2008.
[3] Final Rule: Fuel Tank System Fault Tolerance Evaluation Requirements (SFAR No.88). 68 FR 37735, Jun. 25, 2003.
[4] Fink D G, Beaty H W. Standard Handbook of Electrical Engineering. 15thedition. New York: McGraw Hill, Inc.2-31.