Ayman Mohamed Fawzi Elrefaie  <br/><br/>
Factors affecting stationary and rotating contact resistance /  
 العوامل المؤثرة على مقاومة التلامس الثابت والدوار 
Ayman Mohamed Fawzi Elrefaie ; Supervised M. Mamdouh Abdelaziz , Essam E. M. Abueldahab , Sief Allah Y. Khorshid 
 - Cairo :   Ayman Mohamed Fawzi Elrefaie ,   1998 
 - 192P. :   charts , photographs ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Electrical Power Machines