00507nam a2200169Ia 4500082002400000100006100024245005700085260002000142300001000162500000500172690000600177700000500183952010500188964001700293921001000310999001700320  a553.610954bC855.IC  aCouncil of Scientific and Industrial Research, New Delhi  aIndian clays; their occurrence and characteristicsb  aNew Delhic1958  a156p.  a  a   a  00104070aISIbISId1998-10-12l0o553.610954 C855.ICpDP7367r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a17010  c17010d17010