00383nam a22001217a 4500008004100000040005500041080002100096100001600117245004500133260005600178300001500234650001200249230525b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a553:6(540)  bK7  aSinha, R K   aTreatise on industrial minerals of India  aBombay: bAllied Publishers Private Limited, c1967  axvi, 529p.  aScience