1. Aerospace Specification Metals, Inc. Titanium Ti-6Al-4V (Grade 5), Annealed. [Online] http://asm.matweb.com/search/SpecificMaterial.asp?bassnum=MTP641[Cited: August 9, 2016.].
2. Automatic Hovering Control System for Submarines;Allen,1961
3. VIII - rules for construction of pressure vessels, division 2 - alternative rules;American Society of Mechanical Engineers,2015
4. Plumbing the depths of Ligeia: considerations for depth sounding in Titan's hydrocarbon seas;Arvelo;J. Acoust. Soc. Am.,2013
5. Concepts in Submarine Design. s.L;Burcher,1994