TY  - BOOK
AU  - MARTIN,POUL D.
TI  - SCIENCE: IT'S CHANGING YOUR WORLD / 
U1  - CH 
PY  - 1985///
CY  - [S.N] : 
PB  - NATIONAL GEOGRAPHIC SOCIETY ، 
KW  - SCIENCE
KW  - FORECASTING
KW  - JUVENILE LITERATURE
KW  - TECHNOLOGY
ER  -