TY  - BOOK
AU  - Ashraf Latif Tadross,
AU  - A.l.osman,
AU  - S.m.hassan.
TI  - Photometric analysis and star counts in the open cluster ''M25''
PY  - 1995///
KW  - celestial mechanics
KW  - general relativity
KW  - cosmology solar physics
N1  - Thesis (M.Sc.) -Cairo University, 1995; Bibliography: pages 75-79
ER  -