Nehad Saad Abdelmotelp <br/><br/>
first - order planetary theory for the eight principal planets /  
Nehad Saad Abdelmotelp ; Supervised Osman M. Kamel , M. A. Hamdy 
 - Cairo :   Nehad Saad Abdelmotelp ,   1996 
 - 295Leaves ;   30cm 
<br/><br/>Thesis(M.Sc.) - Cairo University - Faculty of Science - Department of Astronomy and Meteorology