I.C.P. Magnetic Sector Multicollector Mass Spectrometry and Its Applications to Geochemistry
A. N. Halliday, D.-C. Lee, J. N. Christensen, W. Yi, C. M. Hall, C. E. Jones, D. Teagle, A. J. Walder and P. A. Freedman
Dept. Geol. Sci. Univ. of Michigan, Ann Arbor, MI 48109
Fisons Elemental, Winsford, Cheshire, U.K.
Fisons Instruments, VG Isotech, Middlewich, Cheshire, U.K