00298nam a2200109Ia 4500008004100000082002300041100002400064245003400088250001200122260004500134300000900179240913s9999||||xx |||||||||||||| ||und||  aGS    668.9  BAH/P  aP Bahadur NV Sastry 0aPrinciples of Polymer Science  a1st Ed.  bNarosa Publishing HouseaNew Delhic2003  a401p