TY  - BOOK
AU  - Emsley,John
TI  - Nature's building blocks: an A - Z guide to the elements 
SN  - 0198503415
AV  - QD466 E574
PY  - 2001///
CY  - Oxford
PB  - Oxford University Press
KW  - Elementos químicos
KW  - Manuales
N1  - "Reprinted with corrections 2003."
ER  -