D. L. Albritton, T. M. Miller; D. W. Martin; E. W. McDaniel (1968). "Mobilities of Mass-Identified H3+ and H+ Ions in Hydrogen". Physical Review. 171 (94): 94–102. Bibcode:1968PhRv..171...94A. doi:10.1103/PhysRev.171.94.
D. L. Albritton, T. M. Miller; D. W. Martin; E. W. McDaniel (1968). "Mobilities of Mass-Identified H3+ and H+ Ions in Hydrogen". Physical Review. 171 (94): 94–102. Bibcode:1968PhRv..171...94A. doi:10.1103/PhysRev.171.94.