000 00340nam a22001337a 4500
008 180207b xxu||||| |||| 00| 0 eng d
082 _a540.246 RAT
100 _aRattan, Sunita
_98066
245 _aEngineering Chemistry
260 _aNew Delhi
_bKatariya Pub.
_c2017
300 _a1209p
600 _aEngineering
_98067
942 _2ddc
_cBK
999 _c24022
_d24022