TY  - BOOK
AU  - El-Essely,Said M.
AU  - Azzouz,E.M.
AU  - Abdel- Aziz,A.M.
AU  - Waly,S.
TI  - Utilization of solar energy / 
U1  - 621.47 22
PY  - 1982///
KW  - Solar engines
KW  - Solar radiation
N1  - Thesis (M.Sc.) - Al- azhar University, Faculty Of engineering, Department Of electrical engineering, 1982; Includes bibliographical references
ER  -