00321nam a2200133Ia 4500020001000000082002400010100001700034245000900051260003600060300001500096526003700111650003100148650000800179  a(pbk)  a535bAROcL-6 ,P-73  aArora- C. L.  aHeat  aKarachibUnion Book Stallc1968  aPages vary  a0b0c0d535_000000000000000_ARO  aLite -- Study and Teaching  aMCE