000 00314nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a631.41 O524
100 _aOLPHEN H VAN
245 3 _aAN INTRODUCTION TO CLAY COLLOID CHEMISTRY
260 _aNEW YORK
_bINTERSCIENCE
_c1965
300 _a23X16
942 _cBK
_2DDC
999 _c13561
_d13561