TY  - BOOK
AU  - Mahaffy,Peter G.
TI  - Chemistry: human activity, chemical reactivity 
SN  - 9781133445449
AV  - QD 31.3 C44.2011
PY  - 2011///, ©2011
CY  - Mason, Ohio
PB  - Cengage learning, Boston University
KW  - Química -
KW  - Libros de texto
ER  -