TY  - GEN
T1  - Thinking chemistry
A1  - Lewis, Michael
A2  - Waller, Gruy
LA  - Portuguese
LA  - English
PP  - Oxford
PB  - University Press
YR  - 1992
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/manes31249
OP  - 409
ER  -