1. ISO 10893-2, Non-destructive testing of steel tubes —Part 2:Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of imperfections, 1st edn, pp 2–3, 2011
2. ISO 25902-1, Titanium pipes and tubes – Non-destructive testing – Part 1:Eddy-current examination, 1st edn, pp 2–3, 2009
3. Web. Site, 〈http://www.zetec.com/2010/06/mrpc-probes/〉
4. Transmit-receive eddy current probes for circumferential cracks in heat exchanger tubes;Obrutsky;Mater Eval,1996
5. Transmit-receive eddy current probes for circumferential cracks in heat exchanger tubes;Obrutsky;NDT and E Int,1997