TY  - BOOK
AU  - Valcarcel, M  .
TI  - Principles of analytical chemistry: a textbook / 
SN  - 3-540-64007-X
U1  - E:3 
PY  - 2000///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Chemistry, Analytic
ER  -