Compliance Recertification Application 2014 
      
      Walther, C.
      
         - Walther, C. 2003. "Comparison of Colloid Investigations by Single Particle Analytical Techniques: A Case Study on Thorium-Oxyhydroxides." Colloids and Surfaces A: Physicochemical Engineering Aspects, vol. 217: 81–92. (Unavailable)
(*Indicates a reference that has not been previously submitted.)