TY  - GEN
AU  - Anwar Mohyieddeen Anwar
AU  - Elsayed M. Abdelrahman , 
AU  - Hussein Hammouda Mohamed , 
AU  - Sharafeldin M. Sharafeldin , 
TI  - Calculation of the second derivative of the gravity field using richardson's formula / 
PY  - 1997///
CY  - Cairo : 
PB  - Anwar Mohyieddeen Anwar , 
N1  - Thesis(M.Sc.) - Cairo University - Faculty of Science - Department of Geophysics
UR  - http://172.23.153.220/th.pdf
ER  -