TY  - BOOK
AU  - Green, Dan
TI  - The elements: the building blocks of the universe
SN  - 9780545330190
U1  - 546 G47 
PY  - 2012///
CY  - New York
PB  - Scholastic
KW  - ELEMENTOS QUIMICOS
KW  - ATOMO
KW  - METALES
KW  - GASES
KW  - OXIGENO
ER  -