00257nam a2200097Ia 4500100002000000654001200020245006100032260003900093082001500132546001200147  aGosh/ Premamoy   aPolymer  aPolymer science  and  Technology  of Plastics  &  Rubber  bTata Mc Graw hillaNew Delhic1990  a668.9bPAN  aENGLISH