1. International Maritime Organization (IMO) conference of parties of the international convention on Standards of Training, Certification and Watch keeping for seafarers, 3 August,2010 (STCW/conf.2/34).
2. International Transport Worker Federation. STCW: A guide for seafarers taking into account the IMO-2010 Manilla amendments. www.itfglobal.org
3. SOLAS (International Convention for Safety of Life at Sea,1974.
4. Antony F. Molland "The Maritime Engineering Reference book" A guide to ship Design, construction and Operation", Butterworth-Heinemann, El Sevier, 2008.
5. Paul Gruhn, Simon Lucchini" Safety instrumented systems, A life-cycle approach" International Society of automation (ISA), 2008.