Palmer, R., Silva, L., & Palmer, R. (1992). Resonant electron-stimulated desorption of O− ions from oriented O2 on graphite. Surface Science, 272(1-3), pp. 313-317. doi:10.1016/0039-6028(92)91456-l

Palmer, Richard, L.A Silva, and R.E Palmer. "Resonant Electron-stimulated Desorption of O− Ions From Oriented O2 On Graphite." Surface Science 272, no. 1-3 (1992): 313-317.

Palmer, Richard, L.A Silva, and R.E Palmer. "Resonant Electron-stimulated Desorption of O− Ions From Oriented O2 On Graphite." Surface Science 272.1-3 (1992): 313-317.