000 00289nam a2200121Ia 4500
005 20240713144705.0
008 240712s9999 xx 000 0 und d
041 _aeng
100 _aMisra, G.S.
245 _aPalymer chemistry
260 _aNew Delhi
_b New Age Int.
_c2018
300 _a253
999 _c21282
_d21282