1. P. Sigmund, (Ed.), Fundamental Processes in Sputtering of Atoms and Molecules, K. Dan. Vidensk. Selsk. Mat. Fys. Medd. 43, 1993.
2. Secondary Ion Mass Spectrometry;Benninghoven,1987
3. Accelerator Mass Spectrometry;Tuniz,1998
4. Progress in isotope analysis at ultra-trace level by AMS
5. Sputtering by Particle Bombardment III;Yu,1991