1. ASTM Standard D3103 (2007) Standard test method for thermal insulation performance of distribution packages
2. Choi SJ, Burgess G (2007) Practical mathematical model to predict the performance of insulating packages. Packag Technol Sci 20:369–380. www.coldchaintech.com/simple.php . Accessed 11/02/2013
3. Elliott MA, Halbert GW (2005) Maintaining the cold chain shipping environment for Phase 1 clinical trail distribution. Int J Pharm 299:49–54
4. Guidelines for the Blood Transfusion Services in the United Kingdom, Chapter 23, 8th Edn., updated 2013. The Stationary Office, London. www.transfusionguidelines.org.uk/Index.aspx?Publication=RB&Section=25&pageid=700 accessed 08/02/2013
5. Miller TD, Maxwell AJ, Lindquirst TD, Requard J (2013) Validation of cooling effect of insulated containers for the shipment of corneal tissue and recommendation for transport. Cornea 32:63–69