000 00325nam a2200145Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
020 _a93-5140-240-1
082 _a547.28
082 _bGUP/P
100 _aalika l.
_bgupta
245 0 _apolymer chemistry
260 _ameerut
260 _bpragati prakashan
260 _c2010
999 _c5375
_d5375