- J. T. Gudmundsson and M. A. Lieberman, A Simple Transformer Model 
Applied to a Planar Inductive Plasma Discharge, Technical Report UCB/ERL 
M96/3, Electronics Research Laboratory, College of Engineering, 
University of California, Berkeley, 1996      
 
- J. T. Gudmundsson, On Smoothing of the I-V Langmuir Probe 
Characteristic, Technical Report UCB/ERL M97/38, Electronics Research 
Laboratory, College of Engineering, University of California, Berkeley, 1997
 
- Jón Tómas Guðmundsson, Veikt jónað rafgas: Kennistærðir og notkun,
Technical Report RH-23-99, Science Institute, University of Iceland, 1999 (in icelandic)
 
- Jón Tómas Guðmundsson, Cross Sections and Rate Coefficients
for Collisions of Electrons with Atomic and Molecular Fluorine,
Technical Report RH-25-99, Science Institute, University of Iceland, 1999
 
- Jón Tómas Guðmundsson, Af smækkandi smárum,
Technical Report RH-10-2000, Science Institute, University of Iceland, 1999 (in icelandic)
 
- Einar Guðfinnsson and Jón Tómas Guðmundsson, Effects of the electron
 energy distribution on the plasma chemistry in argon: A time dependent  global
(volume averaged) model study,
Technical Report RH-22-2000, Science Institute, University of Iceland, 2000 
 
- Friðrik Magnus  and Jón Tómas Guðmundsson, Digital smoothing of the 
 
Langmuir probe characteristic,
Technical Report RH-20-2002, Science Institute, University of Iceland, 2002 
 
- Jón Tómas Guðmundsson, Notes on the electron excitation rate coefficients 
for argon and oxygen discharge,
Technical Report RH-21-2002, Science Institute, University of Iceland, 2002
 
- J. T. Gudmundsson and M. A. Lieberman, Recombination rate coefficients in oxygen discharges,
Technical Report RH-16-2004, Science Institute, University of Iceland, 2004
 
- J. T. Gudmundsson, A critical review of the  reaction set for a low pressure  
oxygen processing discharge,
Technical Report RH-17-2004, Science Institute, University of Iceland, 2004
 
- M. A. Lieberman, A. J. Lichtenberg, Sungjin Kim and J. T. Gudmundsson, 
Ignition conditions for peripherical plasma in a grounded chamber
  connected to a dual frequency capacitive discharge,
Technical Report UCB/ERL M05/10, Electronics Research Laboratory, College of
Engineering, University of Califonia, Berkeley CA, 2005
 
- J. T. Gudmundsson, Electron excitation rate coefficients for the nitrogen discharge, 
Technical Report RH-09-2005, Science Institute, University of Iceland, 2005
 
- Eythor Gisli Thorsteinsson, Aron Thor Hjartarson and Jon Tomas
  Gudmundsson, A critical review of the reaction set for a low pressure chlorine processing discharge, Technical Report RH-16-2008, Science Institute, University of Iceland, 2008
 
- Eythor Gisli Thorsteinsson, Aron Thor Hjartarson and Jon Tomas
  Gudmundsson, The rate coefficients for the collisional energy loss of
    the chlorine discharge, Technical Report RH-17-2008, Science Institute, University of Iceland, 2008