Samir Mohamed Elsayed Mohamed <br/><br/>
Studies on the structure of petroleum heavy fractions /  
 دراسات على تركيب اجزاء البترول الثقيلة 
Samir Mohamed Elsayed Mohamed ; Supervised Magdi M.Naoum , Mahmoud A.Helmy 
 - Cairo :   Samir Mohamed Elsayed Mohamed ,   2001 
 - 212P ;   30cm 
<br/><br/>Thesis (PH.D.) - Cairo University - Faculty Of Science - Department Of Physical Chemistry 
<br/><br/><label>Subjects--Index Terms: </label>Asphaltenes Egyptian crude oils Resins