1. Semi‐insulating layers of GaAs by oxygen implantation
2. Multiple-energy proton bombardment in n+-GaAs
3. Eisen, F. H. 1965.Ion Implantation in Semiconductors, Edited by: Namha, S. 3New York: Plenum Press.
4. Eisen, F. H. and Mayer, J. W. 1976.Treatise on Solid State Chemistry, Edited by: Hannay, N. B. Vol. 6B, 125New York: Plenum Press.
5. Donnelly, J. P. 1977.Gallium Arsenide and Related Compounds (St. Louis), 1976, Edited by: Eastman, L. F. 166London: The Institute of Physics.