TY  - BOOK
AU  - Helfferich,Friedrich G.
TI  - Ion exchange
T2  - McGraw-Hill series in advanced chemistry
SN  - 0486687848 (rustica)
AV  - QD561 H44 1995
PY  - 1995///
CY  - New York
PB  - Dover
KW  - Intercambio iónico
ER  -