TY - JOUR AU - John Gillen C2 - International Journal Of Mass Spectrometry And Ion Processes DA - 1991-04-15 LA - en M1 - 105 PB - International Journal Of Mass Spectrometry And Ion Processes PY - 1991 TI - The Use of Kinetic-Engergy Distributions to Determine the Relative Contributions of Gas-Phase and Surface Fragmentation in Kiloelectronvolt Ion Sputtering of an Quaternary Ammonium Salt ER -