00272nam a2200109 a 450000500170000008200160001710000230003324500320005625000120008826000380010030000240013820251203091601.0  a547.7BILb_  aBillmeyer, Fred W.  aTextbook of Polymer Science  a3rd ed.  aNew YorkbJohn Wiley & Sonsc1984  axviii, 578p, 22 cm.