TY  - BOOK
AU  - Betteridge,D.
TI  - Modern analytical methods / 
T2  - Monographs for teachers ; 
SN  - 0851867596
U1  - 543 
PY  - 1979///
CY  - London : 
PB  - The Chemical Society, 
KW  - Química analítica
ER  -