TY  - GEN
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      
SN  - 0435648306
U1  - 540.1 
PY  - 1973///
CY  - London
PB  - Heinemann Educational Books  
KW  - Chemistry - Philosophy and Theory
ER  -