TY  - BOOK
AU  - Petrucci, Ralph H.
AU  - Harwood, William S.
TI  - General chemistry: Principles and modern applications
SN  - 0135334985
U1  - 540 
PY  - 1997///
CY  - Upper Saddle River, N.J.
PB  - Prentice-Hall
KW  - Química
ER  -