1. Engineering and laboratory evaluation of combination gun mount M140;Pape;U.S. Army Weapons Command, Rock Island, Illinois, Technical Report No. 67-1538,1969
2. Evaluation of the reduced diameter counter-recoil spring used in the M140 combination gun mount;Williams;U.S. Army Weapons Command, Rock Island, Illinois, Technical Report No. 69-114,1969
3. Evaluation of the M140 combination gun mount margaging steel counterrecoil spring;Williams;U.S. Army Weapons Command, Rock Island, Illinois, Technical Report No. 70-111,1969
4. A Treatise on the Mathematical Theory of Elasticity;Love,1944
5. A study of the dynamic radial expansion of helical springs due to longitudinal impact;Stokes;U.S. Army Weapons Command, Rock Island, Illinois, Report under Contract No. DAAF03-72-C-0009,1972