@article{754646, author = {Kevin Coakley and A Leifer and David Simons}, title = {Secondary Ion Mass Spectrometry Measurements of Isotopic Ratios: Correction for Time Varying Count Rate}, year = {2005}, number = {240}, month = {2005-01-01 00:01:00}, publisher = {The International Journal of Mass Spectrometry}, language = {en}, }