00397nam a2200133Ia 4500008004100000082001700041100001200058245006300070260000900133300001100142942000700153952008800160999001500248240817s9999    xx            000 0 und d  a666.42954 J8  aC.S.I.R 0aIndian clays: - their occurance and characterstics part -1  c1958  a156 p.  cBK  00104070aTCLbTCLd2024-08-21l0o666.42954 J8p3864r2024-08-21w2024-08-21yBK  c3554d3554