TY  - BOOK
AU  - Mehmud, Salim
TI  - Modern Development in Science and Technology 
U1  - 600 
PY  - 1984///
CY  - Karachi : 
PB  - Pakistan Space and Upper Atmosphere Research Commission, 
KW  - Science Developments
KW  - Technology Developments
N1  - NN
ER  -