@book{ international1988iaea, title={Current Trends in Nuclear Borehole Logging Techniques for Elemental Analysis (proceedings of A Consultants' Meeting, Ottawa, Canada, 2-6 November 1987)}, series={TECDOC Series}, number={464}, year={1988}, url={http://www.dgdingfa.net/publications/719/current-trends-in-nuclear-borehole-logging-techniques-for-elemental-analysis-proceedings-of-a-consultants-meeting-ottawa-canada-2-6-november-1987}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }