1. A study of storage tank accidents;Chang;J Loss Prev,2006
2. W. Atherton J.W. Ash 2006 http://lightningsafety.com/nlsi_lls/Causes-of-Failures-in-Bulk-Storage.pdf
3. EPA 1997 www.nrt.org/production/nrt/nrtweb.nsf/AllAttachmentsByTitle/A-107tanks/$File/tanks.pdf?OpenElement
4. Marsh 2011 uk.marsh.com/Portals/18/Documents/Atmospheric%20Storage%20Tanks_lowres.pdf ,
5. OGP 2010 http://www.ogp.org.uk/pubs/434-03.pdf