000 00321nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a642.4 gup
100 _aGupta, Moolchand
245 0 _aPolymer Composite
260 _aNEW DELHI
260 _b NEW AGE
260 _c2005
300 _a152
650 _aChemistry
999 _c118055
_d118055