000 00306nam a2200121Ia 4500
008 240125s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _a547.7
_bT18 SAH
100 _aSha, Khagendra Kumar
245 0 _aCondensed polymer and book
260 _bBaguiati gurukul
_aKolkata
_c2018
942 _cBK
999 _c28694
_d28694