00446nam a2200181Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001900095100002100114245004300135260003700178300002100215365001400236650001400250OSt20230320150443.0210423s2008    xx            000 0 und d  a9780071102261  cAL  aeng  a540 223bCHAR  aCHANG (Raymond).  aGeneral chemistry: essential concepts.  aNew DelhibTata McGrawhillc2008  axvi,757,I-14bPB  b1925cINR  aChemistry