%O Book
%T Worldwide Proficiency Test: Determination of Minor and Trace Elements in Grass Mixture IAEA-PTXF-06
%A 
%U https://www.iaea.org/publications/8487/worldwide-proficiency-test-determination-of-minor-and-trace-elements-in-grass-mixture-iaea-ptxf-06
%D 2011
%I INTERNATIONAL ATOMIC ENERGY AGENCY
%C Vienna