00390nam a2200169Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001600095100002000111245002300131260003600154300001700190365001300207OSt20230317101015.0210423s2010    xx            000 0 und d  a9788183989985  cAL  aeng  a547.28 GUPA  aGUPTA (Alka L).  aPolymer chemistry.  aMeerutbPragati Prakashanc2010  aviii,260bPB  b180cINR