000 00417nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
082 _a549.1145 N277
100 _aNATIONAL ACADEMY OF SCIENCES, NATIONAL RESEARCH COUNCIL
245 0 _aCLAYS AND CLAY MINERALS: PROCEEDINGS OF THE ELEVENTH NATIONAL CONFERENCE ON CLAY
250 _a13
260 _aOXFORD
_bPergamon Press
_c1963
300 _a23X15
942 _cBK
_2DDC
999 _c14016
_d14016