The draft Recommendations reference the IAEA draft DS-161. For your information, DS161 will be published as RS-G-1.7. Thus, your reference should be updated. A copy has been placed on the IAEA web-site. It has been sent to the publishers for printing. RS-G-1.7 can be found at the attached link: http://www-pub.iaea.org/MTCD/publications/PDF/Pub1202_web.pdf