000 00324nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a541.345 I27
100 _aILER.R.K
245 0 _aCOLLOID CHEMISTRY OF SILICA AND SILICATES
260 _aNEW YORK
_bCORNELL & UNIVERSITY PRESS
_c1955
300 _a24X16
942 _cBK
_2DDC
999 _c14041
_d14041