TY  - BOOK
AU  - Spiers,Antony
AU  - Stebbens,Derek
TI  - Chemistry by concept: a comprehensive account of the principles of chemistry for GCE 'o' level and CSE courses 
AV  - QD 40 S65
PY  - 1973///
CY  - London
PB  - Heinemann Educational
KW  - Química
N1  - Incluye índice
ER  -