TY  - BOOK
AU  - Galster,Helmuth
TI  - pH measurement: fundamentals, methods, applications, instrumentation 
SN  - 3527282378
PY  - 1991///
CY  - New York
PB  - VCH Publisher
KW  - acidez
KW  - LEMB
KW  - alcalinidad
ER  -