1. Adams, T.F., S.T. Bennion, W.B. Harvey, and T.H. Tan (1987). Personal communication to L.E. Fugelso.
2. Über den Detonationsvorgang bei Zylinderischen Sprengstoffenladungen mit axialer Höhung;Ahrens;Explosivstoffe,1965
3. Productivity method of evaluating gun perforating;Allen,1956
4. Lab studies show why and how gun perforators damage casing;Bell;The Oil and Gas Journal,1965
5. Explosives with lined cavities;Birkhoff;Jour. Applied Physics,1948