00538nam a22001937a 4500 BD-DhUL 20141203143648.0 141203s1960 pk a|||| |||| 001 0 eng d BD-DhUL BD-DhUL 622.7 SHO Shams, Najma Ore enrichment / by Najma Shams and A. R. Shaista. Karachi : University of Karachi, 1960. [ 6 ], 72 p. : ill. ; 25 cm. Includes index. Ore dressing. Shaista, A. R. ddc BK 21442 21442 0 0 ddc 0 622_700000000000000_SHO 0 NFIC 41140 DUSL DUSL GEN 2014-12-03 Gift 622.7 SHO 400272 2014-12-03 2014-12-03 BK