000 | 00345nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 140215s9999 xx 000 0 und d | ||
084 |
_aL:555 _bRYA;1946 |
||
100 | _aRyan, W J. | ||
245 |
_aWater Treatment and Purification / _b |
||
260 |
_bMcGRAW-HILL BOOK CO. , _aLondon : _c1946 |
||
300 | _a270p : | ||
650 | _aHygiene | ||
942 |
_2cc _cBK |
||
999 |
_c12897 _d12897 |