Precise measurement of isotope ratios with a single collector mass spectrometer Back to all publications Publication date 1 January 1956 Reference J. Schutten, A.J.H. Boerboom, T. van der Hauw and F.L. Monterie, Precise measurement of isotope ratios with a single collector mass spectrometer, Appl. Sci. Res. B 6, 388-392 (1956)