lewin, p.l., golosnoy, i.o., mohamed, r..  (2011).  locating partial discharge sources in high voltage transformer windings.  - 30th electrical insulation conference, eic 2011; annapolis, md.  . 

ramizi mohamed, paul l. lewin.  (2011).  lumped parameter model for high frequency partial discharge estimation in high voltage transformer.  - 10th wseas international conference on system science and simulation in engineering (icossse `11).  . 

mohamed, r. and lewin, p. l..  (2009).  partial discharge location in high voltage transformers.  - 2009 ieee electrical insulation conference.  . 

mohamed, r., lewin, p. l. and chen, g..  (2009).  partial discharge estimation in a high voltage transformer using multi signal decomposition technique.  - the 9th international conference on properties and applications of dielectric materials.  . 

mohamed, r., markovsky, i. and lewin, p. l..  (2008).  modeling and parameter estimation of high voltage transformer using rational transfer function state space approach.  - 2008 annual report conference on electrical insulation dielectric phenomena.  .