1. AERB Safety Standard No. AERB/RF-IR/SS-1 (Rev. 1) (2007) Industrial gamma radiography exposure devices and source changers
2. Kumar U (2021) Industrial gamma radiometry and imaging applications using sealed radioisotope sources and radiation. Non-power applications of nuclear technologies. ISBN: 978-81-954733-2-8
3. NAARI Bulletin (2005) Radiation in non-destructive testing, vol XII
4. AERB/RF-IR/SC-1 (Rev. 1) (2016) AERB safety code industrial radiography
5. ISO 3999 (2004) Radiation protection—apparatus for industrial gamma radiography—specifications for performance, design and tests