000 00261nam a2200109Ia 4500
008 240109s2012 xx 000 0 und d
041 _aeng
082 _a620
100 _aN.G.MCCrum
245 _aPrinciple of Polymer Engg.
260 _aBombay
_bS. Chand
_c2012
999 _c1015966
_d1015966