| 000 | 00338nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 021011t1962 000 0 eng d | ||
| 080 |
_a541.123.54 HEL _b9843 |
||
| 100 | _aHelfferich, F. | ||
| 245 | 0 |
_aIon exchange _h(Book) |
|
| 260 |
_aNew York _bMcGraw-Hill _c1962 |
||
| 300 |
_a624p. _c25 cm. |
||
| 650 | _aIon exchange | ||
| 999 |
_c12068 _d12068 |
||
| 035 | _a9843 | ||