Mason, R., Williams, D. R., Mortimer, I. P., Mitchell, D. J., & Newman, K. (2004). Ion formation at the boundary between a fast flow glow discharge ion source and a quadrupole mass spectrometer. Journal of Analytical Atomic Spectrometry, 19(9), p. 1177. doi:10.1039/b400563p

Mason, Rod, Dylan R. Williams, Ifor P. Mortimer, David J. Mitchell, and Karla Newman. "Ion Formation At the Boundary between a Fast Flow Glow Discharge Ion Source and a Quadrupole Mass Spectrometer." Journal of Analytical Atomic Spectrometry 19, no. 9 (2004): 1177.

Mason, Rod, et al. "Ion Formation At the Boundary between a Fast Flow Glow Discharge Ion Source and a Quadrupole Mass Spectrometer." Journal of Analytical Atomic Spectrometry 19.9 (2004): 1177.