TY  - GEN
AU  - Nasser Ahmed Nasser
AU  - Anas Mohamed Ibrahim Osman , 
AU  - Mohamed Marie , 
TI  - Astrometry of open cluster NGC3680 / 
PY  - 2004///
CY  - Cairo : 
PB  - Nasser Ahmed Nasser , 
KW  - Astrometry
KW  - Cluster
N1  - Thesis (M.Sc.) - Cairo University - Faculty Of Science - Department Of Astronomy and Meteorology; Issued also as CD
UR  - http://172.23.153.220/th.pdf
ER  -