00433nam a2200181Ia 4500003000400000005001700004008004100021020001400062040000700076041000800083082002200091100002500113245003700138250000600175260004500181300001200226365001300238OSt20230328142318.0210423s1999    xx            000 0 und d  a195699254  cAL  aeng  a547.28 223bSTEM  aSTEVENS (Malcolm P).  aPolymer chemistry: introduction.  a3  aNew DelhibOxford University Pressc1999  axix,551  b350cINR