TY  - GEN
AU  - Ahmed Ibrahim Mohamed M.Merghem
AU  - Hoda Elsayed Helal , 
AU  - Mahmoud Hafez Ibrahim , 
TI  - Studies on the biology ecology and biological control of the bark beetle scolytus amygdali guer on fruit trees / 
PY  - 1999///
CY  - Cairo : 
PB  - Ahmed Ibrahim Mohamed M.Merghem , 
N1  - Thesis (M.Sc.) - Cairo University - Faculty Of Science - Department Of Entomology
UR  - http://172.23.153.220/th.pdf
ER  -