00321nam a22001337a 4500020001800000082001600018100002000034245003600054250001100090260003100101300000900132520001200141650003400153  a9788129710888  a 547.84 ALL  aAllcock,Harry.R  aContemporary Polymer Chemistry   a3rd.ed  aIndiabPrentice Ha''c2005  a832p  aLevel 5  achemistry apolymer chemistry