TY  - BOOK
AU  - Korber, Silke., ed.
TI  - National geographic the science book: everything you need to know about the World and how it works
SN  - 978-1-426-20808-9
PY  - 2008///
CY  - Washington
PB  - National Geographic Society
KW  - Biology
KW  - Chemistry
KW  - The earth
KW  - The Universe
ER  -