000 00324nam a2200097Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
245 0 _aIndian clays: their occurence and characterics :Pt.1
260 _bCouncil of Scientific and Industrial Research
_aNew Delhi
_c1958
942 _c1
999 _c80989
_d80989